Planets (List)

Galaxy Portal
Planets

A list of known worlds in the Galaxy:

Contents

0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

0-9

Planet Name	Planet Type	Segmentum	Notes
108/Beta-Kalapus-9.2^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}		Homeworld of the Wolfspear^{[Needs Citation]}
42 Hydra Tertius^{[Needs Citation]}

A

Planet Name	Planet Type	Segmentum	Notes
Abandoned Hope^{[Needs Citation]}	Forbidden World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	A world cut off by the Inquisition; all access is denied.^{[Needs Citation]}
Abheilüng^{[Needs Citation]}	Forge World^{[Needs Citation]}	Solar^{[Needs Citation]}	Dark Mechanicum Forge World^{[Needs Citation]}
Absolom Reach^{[Needs Citation]}	Daemon World^{[Needs Citation]}		Former Hive World, former Desert World^{[Needs Citation]}
Accatran^{[Needs Citation]}	Forge World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Acheron IV^{[Needs Citation]}	War World, Forge World^{[Needs Citation]}
Acralem^{[Needs Citation]}		Ultima^{[Needs Citation]}	The location of a daemonic incursion led by M'kar the Reborn in 799.M41^{[Needs Citation]}
Acreage^{[Needs Citation]}	Feudal World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Adacore^{[Needs Citation]}	Mining World^{[Needs Citation]}		Site of the Adacore Extermination^{[Needs Citation]}
Adrantis Five^{[Needs Citation]}	Dead World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Adumbria^{[Needs Citation]}	Civilised World^{[Needs Citation]}		Tidally locked, one hemisphere is desert and the other ice.^{[Needs Citation]}
Aerius^{[Needs Citation]}	Hive World^{[Needs Citation]}
Aggaros^{[Needs Citation]}	Feral World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Aghoru^{[Needs Citation]}
Agripinaa^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Aktosha^{[Needs Citation]}	Daemon World, Crone World^{[Needs Citation]}	Obscurus, Eye of Terror^{[Needs Citation]}
Alantor X^{[Needs Citation]}			The place of destruction of the Angels of Retribution Space Marines Chapter^{[Needs Citation]}
Al-Arach^{[Needs Citation]}
Alayran^{[Needs Citation]}	Maiden World^{[Needs Citation]}
Albert IV^{[Needs Citation]}	Forge World^{[Needs Citation]}
Albitern^{[Needs Citation]}		Obscurus^{[Needs Citation]}	Above this planet the Howling Griffons' First Company banished the Daemon Prince Periclitor^{[Needs Citation]}
Alfrost^{[Needs Citation]}	Death World^{[Needs Citation]}	Ultima^{[Needs Citation]}	During the Crusade of Fire, Alfrost was the site of heavy fighting between the Space Wolves and Dark Eldar of the Prophets of War^{[Needs Citation]}
Algol^{[Needs Citation]}	Hive World^{[Needs Citation]}
Algol Nine^{[Needs Citation]}
Almarit^{[Needs Citation]}	Daemon World, former Fortress World, former Shrine World^{[Needs Citation]}
Alpha Shalish^{[Needs Citation]}	Dead World^{[Needs Citation]}	Solar^{[Needs Citation]}
Altaneum^{[Needs Citation]}	Ocean World^{[Needs Citation]}
Altarak^{[Needs Citation]}			Site of an ambush led by Khârn the Betrayer, against the Warband of the Chaos Space Marine Zarghan Ironfist^{[Needs Citation]}
Altid 156^{[Needs Citation]}			Site of the Altid Crusade^{[Needs Citation]}
Amarah Prime^{[Needs Citation]}	Hive World^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Battle of Amarah^{[Needs Citation]}
Ambold Eleven^{[Needs Citation]}		Pacificus	Was occupied by the forces of Chaos and conquered during the Sabbat Worlds Crusade.^{[Needs Citation]}
Amerigo Secundus^{[Needs Citation]}			Home of the Wolverine Regiment Imperial Guard.^{[Needs Citation]}
Amistel^{[Needs Citation]}			Home to the Amistel 24th Cavalry Regiment Imperial Guard.^{[Needs Citation]}
Amistel Majoris^{[Needs Citation]}	Civilized World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Amun'an Morrus^{[Needs Citation]}	Dead World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	During the Angevin Crusade, Amun'an Morrus' once-human machine population was judged too tainted to exist and was infamously destroyed by Exterminatus.^{[Needs Citation]}
Anark Zeta^{[Needs Citation]}	Ogryn World^{[Needs Citation]}
Anathrax^{[Needs Citation]}	Daemon World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	On this planet were corrupted the Space Marines Chapters - the Iron Drakes (became the Grey Death) and the Argent Hammers (became the Talons of Anathrax).^{[Needs Citation]}
Andronicus Prime^{[Needs Citation]}	Dead World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Anemae Gulfward^{[Needs Citation]}		Obscurus^{[Needs Citation]}
Anshur^{[Needs Citation]}	Former Hive World, present status unknown^{[Needs Citation]}
Antax^{[Needs Citation]}	Forge World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Site of the Battle for Antax^{[Needs Citation]}
Antecanis IV^{[Needs Citation]}			Site of the Antecanis Massacre^{[Needs Citation]}
Athonos^{[Needs Citation]}			Home to the Athonian Tunnel Rats Imperial Guard.^{[Needs Citation]}
Antioc^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Captured by Chaos forces^{[Needs Citation]}
Anvilus Nine^{[Needs Citation]}	Forge World^{[Needs Citation]}
Anvillus^{[Needs Citation]}	Forge World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Original creators of the Anvillus Pattern Dreadclaw and the Mars-Alpha Pattern of the Warlord Battle Titan ^{[Needs Citation]}
Anzyra^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}		Homeworld of the Angels Sanguine^{[Needs Citation]}
Aquilon^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}		Former Homeworld of the Executioners Space Marine Chapter, now - the planet of the Sons of Medusa^{[Needs Citation]}
Arach-Cyn^{[Needs Citation]}	Crone World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Aralan^{[Needs Citation]}	Hive World^{[Needs Citation]}
Arcadia^{[Needs Citation]}	Hive World^{[Needs Citation]}
Arcadia^{[Needs Citation]}	Harlequin World^{[Needs Citation]}		Holds vast ancient libraries^{[Needs Citation]}
Arcetri^{[Needs Citation]}	Dead World, former Forge World^{[Needs Citation]}		Was attacked and consumed by a tendril of Hive Fleet Harbinger^{[Needs Citation]}
Archaos^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Archipelaga^{[Needs Citation]}	Feral World, Ocean World^{[Needs Citation]}		Reclaimed by the Imperium after the Damocles Gulf Crusade.^{[Needs Citation]}
Arconar^{[Needs Citation]}	Feral World^{[Needs Citation]}
Argentor^{[Needs Citation]}	Knight World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Arimaspia^{[Needs Citation]}	Industrial World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Ariyo^{[Needs Citation]}
Ark Reach Secundus^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Arkhona^{[Needs Citation]}	Dead World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Location of the Eternal crusade^{[Needs Citation]}
Arkunasha^{[Needs Citation]}	Desert World/ Tau World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Armageddon^{[Needs Citation]}	Hive World^{[Needs Citation]}	Solar^{[Needs Citation]}
Armato^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of Sons of Orar^{[Needs Citation]}
Arminiun^{[Needs Citation]}	Imperial World^{[Needs Citation]}		Home of the Honus Squad^{[Needs Citation]}
Artemia Majoris^{[Needs Citation]}	Forge World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Arthas^{[Needs Citation]}			Conquered by the forces of the Death Guard Chaos Lord Malek Vos and the Nurgle Daemon Prince, The Fly Lord.^{[Needs Citation]}
Arthas Moloch^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Arthos^{[Needs Citation]}
Aryand^{[Needs Citation]}	Hive World^{[Needs Citation]}		Under Necron occupation^{[Needs Citation]}
Arx^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Asgard^{[Needs Citation]}	Feudal World^{[Needs Citation]}
Ashek II^{[Needs Citation]}	Hive World^{[Needs Citation]}	Pacificus	Reconquered during the Sabbat Worlds Crusade.^{[Needs Citation]}
Asherkin^{[Needs Citation]}
Askelphion Secundus^{[Needs Citation]}	Paradise World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Asur^{[Needs Citation]}	Eldar World^{[Needs Citation]}		Used to train the original Asurya.^{[Needs Citation]}
Atalia Minoris^{[Needs Citation]}	War World^{[Needs Citation]}
Atari Vo^{[Needs Citation]}	Ork World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Former Tau Sept World^{[Needs Citation]}
Attila^{[Needs Citation]}	Feudal World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Augura^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Formerly a Tau world^{[Needs Citation]}
Aumet^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Aurelia^{[Needs Citation]}			Formerly a Daemon World^{[Needs Citation]}
Auric^{[Needs Citation]}	Imperium World^{[Needs Citation]}	Tempestus^{[Needs Citation]}
Au'taal^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Autega^{[Needs Citation]}	Death World/Shrine World^{[Needs Citation]}
Avellorn^{[Needs Citation]}	Hive world^{[Needs Citation]}	Solar^{[Needs Citation]}
Avignor^{[Needs Citation]}	Cardinal World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Avitohol^{[Needs Citation]}	Xenos World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Disputed between Imperial and Ork forces^{[Needs Citation]}
Azoras^{[Needs Citation]}
Azbaragus^{[Needs Citation]}	Unknown (Nurgle planet)^{[Needs Citation]}		Nurgle planet^{[Needs Citation]}

B

Planet Name	Planet Type	Segmentum	Notes
Baal^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of the Blood Angels.^{[Needs Citation]}
Baalus Trine^{[Needs Citation]}	Feral World^{[Needs Citation]}		A recruiting world for the Angels Sanguine Chapter.^{[Needs Citation]}
Badab Primaris^{[Needs Citation]}	Adeptus Astartes Homeworld/Hive World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Former home of the Astral Claws.^{[Needs Citation]}
Bakka^{[Needs Citation]}	Forge World / Segmentum Fortress^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Segmentum Command for Segmentum Tempestus.^{[Needs Citation]}
Bakus III^{[Needs Citation]}	Forge World^{[Needs Citation]}
Balhaut^{[Needs Citation]}	Cemetery World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Balle Prime^{[Needs Citation]}	War World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Balthasar^{[Needs Citation]}			Was conquered by the Luna Wolves during the Great Crusade.^{[Needs Citation]}
Balur^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Balzac^{[Needs Citation]}	Mining World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Banish^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Home of the Exorcists.^{[Needs Citation]}
Banna^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Solar^{[Needs Citation]}
Baran^{[Needs Citation]}	Exodite World^{[Needs Citation]}		Now Imperial controlled.^{[Needs Citation]}
Baraspine^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Barbarus^{[Needs Citation]}	Destroyed — former Adeptus Astartes Homeworld / Feral World^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Former home of the Death Guard^{[Needs Citation]}
Barbarus Prime^{[Needs Citation]}	Dead World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Baroda^{[Needs Citation]}	Knight World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	A Knight World of the Imperium during Horus Heresy.^{[Needs Citation]}
Bastonbeil^{[Needs Citation]}	Daemon World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Behtle V^{[Needs Citation]}
Bekrin^{[Needs Citation]}	Dead World, former Shrine World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Destroyed by Hive Fleet Dagon.^{[Needs Citation]}
Belacane^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Belaeno^{[Needs Citation]}	Jungle World^{[Needs Citation]}
Belahaam^{[Needs Citation]}	Xenos World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Belatis IV^{[Needs Citation]}	Shrine World/Ice World^{[Needs Citation]}
Belial^{[Needs Citation]}	Forge World^{[Needs Citation]}
Belial IV^{[Needs Citation]}	Crone World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Belis Corona^{[Needs Citation]}	Dead World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Bellicas^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of the Emperor's Swords.^{[Needs Citation]}
Belphago^{[Needs Citation]}	Dead World^{[Needs Citation]}		Home to pre-human ruins^{[Needs Citation]}
Berien VI^{[Needs Citation]}	Dead World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Berin^{[Needs Citation]}
Beshic V^{[Needs Citation]}	Forge World^{[Needs Citation]}
Beta-Garmon II^{[Needs Citation]}	Industrial World/Fortress World^{[Needs Citation]}	Solar^{[Needs Citation]}
Beta-Garmon III^{[Needs Citation]}	Hive World^{[Needs Citation]}	Solar^{[Needs Citation]}
Beta Fortanis^{[Needs Citation]}	Dead World^{[Needs Citation]}		Destroyed by Tyranids.^{[Needs Citation]}
Betalis III^{[Needs Citation]}	Ice World/Mining World^{[Needs Citation]}	Solar^{[Needs Citation]}
Betalis IV^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Biegel 9^{[Needs Citation]}	Jungle World / Tomb World^{[Needs Citation]}
Bifrost^{[Needs Citation]}	Imperial World^{[Needs Citation]}	^{[Needs Citation]}
Birmingham^{[Needs Citation]}	Adeptus Astartes Homeworld / Feral World^{[Needs Citation]}		Home of the Harbingers.^{[Needs Citation]}
Black Reach^{[Needs Citation]}	Hive World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Blackwater^{[Needs Citation]}	Feral World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Bleakfrost^{[Needs Citation]}	War World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Site of a battle between Orks and the forces of the Imperium.^{[Needs Citation]}
Blitzen^{[Needs Citation]}			Home world of the Blitzen Armoured regiments of the Imperial Guard.^{[Needs Citation]}
Bloodfall^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Solar^{[Needs Citation]}	Home of the Red Wolves^{[Needs Citation]}
Boonhaven^{[Needs Citation]}	Agri World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Bora Culpa^{[Needs Citation]}	Dead World^{[Needs Citation]}
Bork'an^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Boros^{[Needs Citation]}			Was invaded by the Ork Empire of Charadon but defended by the Ultramarines.^{[Needs Citation]}
Boros Prime^{[Needs Citation]}	Fortress World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Site of the Siege of Boros Gate.^{[Needs Citation]}
Bray^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Brendine II^{[Needs Citation]}	Dead World^{[Needs Citation]}		Was destroyed by the forces of the Slaanesh worshiper Kallow the Tame.^{[Needs Citation]}
Bren's World^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Brezal III^{[Needs Citation]}
Brigannion Four^{[Needs Citation]}	Fortress World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Held by the Iron Warriors.^{[Needs Citation]}
Brimlock^{[Needs Citation]}	Imperial World^{[Needs Citation]}		Home to the Brimlock Dragoons Imperial Guard.^{[Needs Citation]}
Britan^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Bront^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Brun^{[Needs Citation]}	Ocean World^{[Needs Citation]}
Brycantia^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Home of the Iron Knights.^{[Needs Citation]}
Bubonicus^{[Needs Citation]}	Daemon World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Bulwark^{[Needs Citation]}	Daemon World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Ruled over by the Khorne Daemon Prince Krakiota.^{[Needs Citation]}
Burjan's World^{[Needs Citation]}	Fortress World^{[Needs Citation]}		Ruled by the Iron Warriors.^{[Needs Citation]}
Byssta^{[Needs Citation]}	Death World^{[Needs Citation]}

C

Planet Name	Planet Type	Segmentum	Notes
Cadia^{[Needs Citation]}	Fortress World / Civilised World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Blocks the Cadian Gate, home to the Cadian Shock Troopers Imperial Guard.^{[Needs Citation]}
Caer Malafori^{[Needs Citation]}
Calderis^{[Needs Citation]}	Feudal World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Caliban^{[Needs Citation]}	Destroyed — former Adeptus Astartes Homeworld / Death World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Former home of the Dark Angels.^{[Needs Citation]}
Calth^{[Needs Citation]}	Civilised World^{[Needs Citation]}	Ultima^{[Needs Citation]}	One of the nine worlds of Ultramar.^{[Needs Citation]}
Camgia^{[Needs Citation]}	Xenos World^{[Needs Citation]}		Homeworld of the Zygo.^{[Needs Citation]}
Canak^{[Needs Citation]}	Death World^{[Needs Citation]}
Candau^{[Needs Citation]}	Dead World, former Agri World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Canopus^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Cano'var^{[Needs Citation]}	Tomb World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Formerly a Tau Sept.^{[Needs Citation]}
Carandinis VII^{[Needs Citation]}		Obscurus^{[Needs Citation]}	Had billions of its population turned into Plaguebearers by Typhus.^{[Needs Citation]}
Carcharias^{[Needs Citation]}	Hive World / Adeptus Astartes Homeworld^{[Needs Citation]}		Homeworld of the Crimson Consuls Chapter.^{[Needs Citation]}
Cardrim^{[Needs Citation]}	Tomb World/Imperial World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Site of the Battle of Cardrim^{[Needs Citation]}
Carlos McConnell^{[Needs Citation]}	Imperial World^{[Needs Citation]}		Home to Felinid Abhumans.^{[Needs Citation]}
Carnac^{[Needs Citation]}	Tomb World^{[Needs Citation]}		Site of the Carnac Campaign^{[Needs Citation]}
Carpathia^{[Needs Citation]}	Labyrinth World^{[Needs Citation]}	Tempestus^{[Needs Citation]}
Carrion Deep^{[Needs Citation]}	Necron Tomb World / Dead World^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Under Imperial quarantine.^{[Needs Citation]}
Caruana-W^{[Needs Citation]}
Cassell^{[Needs Citation]}	Agri World^{[Needs Citation]}		Site of the Six Hour Revolution.^{[Needs Citation]}
Castix VIII^{[Needs Citation]}			Was infected by a warp virus by the Death Guard Sorcerer Porphyricus.^{[Needs Citation]}
Catachan^{[Needs Citation]}	Death World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Ceocan^{[Needs Citation]}	Agri World^{[Needs Citation]}	Tempestus^{[Needs Citation]}
Cesstium^{[Needs Citation]}	Death World^{[Needs Citation]}
Chaemos^{[Needs Citation]}		Tempestus^{[Needs Citation]}
Chandrax II^{[Needs Citation]}	Necron Tomb World^{[Needs Citation]}		Former world of the Imperium, now a Necron Tomb World.^{[Needs Citation]}
Chaoku-Minor^{[Needs Citation]}
Charadon^{[Needs Citation]}	Ork World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Capital of the Ork Empire of Charadon.^{[Needs Citation]}
Chaspia^{[Needs Citation]}
Chemos^{[Needs Citation]}	Destroyed — former Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Former home of the Emperor's Children.^{[Needs Citation]}
Chiros^{[Needs Citation]}	Agri World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Chordelis^{[Needs Citation]}	Dead World,formerly Civilized World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Chosin^{[Needs Citation]}	Ice World^{[Needs Citation]}	Solar^{[Needs Citation]}	Infested with Orks.^{[Needs Citation]}
Cinchare^{[Needs Citation]}	Mining World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Cinderus XI^{[Needs Citation]}	Mining World^{[Needs Citation]}		Crystals taken from this world, have peculiar properties that make them useful in the construction of Volcano Cannons.^{[Needs Citation]}
Circe^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Part of Ultramar^{[Needs Citation]}
Clax^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Clove^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Cloister^{[Needs Citation]}	Frontier World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Cociaminus^{[Needs Citation]}		Pacificus^{[Needs Citation]}	Sabbat Worlds; heavily contested during the Sabbat Worlds Crusade.^{[Needs Citation]}
Colcha^{[Needs Citation]}	Agri World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Colchis	Destroyed — former Adeptus Astartes Homeworld^{[Needs Citation]}	Pacificus^{[Needs Citation]}	Former home of the Word Bearers.^{[Needs Citation]}
Cocholos^{[Needs Citation]}	Tomb World^{[Needs Citation]}
Conovar^{[Needs Citation]}		Obscurus	Site where the Chaos Space Marine Zarghan Ironfist, launched an ambush that destroyed a fleet convoy of the Rogue Trader Janus Darke.^{[Needs Citation]}
Constantinium^{[Needs Citation]}	Civilised World^{[Needs Citation]}	Pacificus^{[Needs Citation]}	Also known as Nova Terra^{[Needs Citation]}
Coralax^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	"Beyond Imperial boundaries"^{[Needs Citation]}	Home of the Knights of the Raven.^{[Needs Citation]}
Corinal^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}		Homeworld of the Angels Vermillion.^{[Needs Citation]}
Coronis Agathon^{[Needs Citation]}	Hive World/Fortress World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Coseflame^{[Needs Citation]}	Feudal World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Cousteau XI^{[Needs Citation]}	Dead World, formerly Adeptus Astartes Homeworld and Feudal World^{[Needs Citation]}		Former home of the Fire Hawks.^{[Needs Citation]}
Crake's World^{[Needs Citation]}	Death World^{[Needs Citation]}
Cressida^{[Needs Citation]}	Dead World, formerly Ice World^{[Needs Citation]}		Destroyed by Exterminatus.^{[Needs Citation]}
Cretacia^{[Needs Citation]}	Adeptus Astartes Homeworld / Death World^{[Needs Citation]}		Home of the Flesh Tearers.^{[Needs Citation]}
Croatoa^{[Needs Citation]}	Death World^{[Needs Citation]}
Crux^{[Needs Citation]}	Civilised World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Cryptus^{[Needs Citation]}	Cemetery World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Cthonia^{[Needs Citation]}	Destroyed — former Adeptus Astartes Homeworld^{[Needs Citation]}	Solar^{[Needs Citation]}	Former home of the Luna Wolves.^{[Needs Citation]}
Cullrak^{[Needs Citation]}			The planet was the site of a victorious battle for the Eldar of Craftworld Mymeara against an Daemon incursion in 232.M41.^{[Needs Citation]}
Curwen^{[Needs Citation]}	Agri World^{[Needs Citation]}
Cybele^{[Needs Citation]}	Cemetery World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Cyclonis^{[Needs Citation]}			Was conquered by the Emperor during the Great Crusade.^{[Needs Citation]}
Cyclopea^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Calixis Sector^{[Needs Citation]}
Cyclopean Prime^{[Needs Citation]}	Hive World^{[Needs Citation]}
Cypra Mundi^{[Needs Citation]}	Forge World / Segmentum Fortress^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Segmentum Command for Segmentum Obscurus.^{[Needs Citation]}
Cyprian's Gate^{[Needs Citation]}	Paradise World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Cyrene^{[Needs Citation]}	Dead World^{[Needs Citation]}		Former Blood Ravens recruiting world.^{[Needs Citation]}
Cyris^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Cyrus Vulpa^{[Needs Citation]}	Agri World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Cystan^{[Needs Citation]}
Cytheria^{[Needs Citation]}	Tau World / Jungle World^{[Needs Citation]}	Ultima^{[Needs Citation]}

D

Planet Name	Planet Type	Segmentum	Notes
Dalthus^{[Needs Citation]}	Mining World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Dal'yth^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Damnia^{[Needs Citation]}	Death World^{[Needs Citation]}		Recruiting world for the Angels of Vengeance Chapter.^{[Needs Citation]}
Damnos^{[Needs Citation]}	Tomb World / Dead World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Site of the Fall of Damnos.^{[Needs Citation]}
Danik's World^{[Needs Citation]}	Ice World formerly an Agri World^{[Needs Citation]}
Dantium^{[Needs Citation]}
Dantris III^{[Needs Citation]}	Forge World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Darcia^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Darendara^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Darkenhel^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Darillia^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Darkhold^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Home of the Dark Sons.^{[Needs Citation]}
Davin^{[Needs Citation]}	Feral World^{[Needs Citation]}		Location of Horus's fall to Chaos.^{[Needs Citation]}
Delaphina^{[Needs Citation]}	Hive World^{[Needs Citation]}
Deliverance^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Home of the Raven Guard.^{[Needs Citation]}
Dellerax^{[Needs Citation]}			Site of the War between Cadians and Saim-Hann Eldar.^{[Needs Citation]}
Delta Arbuthnot^{[Needs Citation]}	Agri World^{[Needs Citation]}		A Psyker induced rebellion was put down with the help of the White Scars Chapter.^{[Needs Citation]}
Delta Tao^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Denkari Minor^{[Needs Citation]}	Death World^{[Needs Citation]}
Derdoni^{[Needs Citation]}	Hive World^{[Needs Citation]}
Derwynia^{[Needs Citation]}	Death World^{[Needs Citation]}
Devlan^{[Needs Citation]}	Mining World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Dheneb^{[Needs Citation]}	Ice World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Chaos held world near the Eye of Terror^{[Needs Citation]}
Dhol VI^{[Needs Citation]}	Crownworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Belongs to the Necron Novokh Dynasty.^{[Needs Citation]}
Diesos^{[Needs Citation]}	Forge World^{[Needs Citation]}		Controlled by the Dark Mechanicum.^{[Needs Citation]}
Dimmamar^{[Needs Citation]}	Cardinal World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Dolsia^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Don-Croix^{[Needs Citation]}	Hive World^{[Needs Citation]}	Ultima Segmentum^{[Needs Citation]}
Dorrholtz^{[Needs Citation]}	Penal World^{[Needs Citation]}
Dorvastor^{[Needs Citation]}	Cardinal World^{[Needs Citation]}
Doton^{[Needs Citation]}	Dead World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Drachu^{[Needs Citation]}	Hive World^{[Needs Citation]}	Tempestus^{[Needs Citation]}
Draconith^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Home of the Star Dragons.^{[Needs Citation]}
Drade-73^{[Needs Citation]}		Ultima^{[Needs Citation]}
Drakaasi^{[Needs Citation]}	Daemon World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Draven^{[Needs Citation]}	Tomb World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Belongs to the Necron Novokh Dynasty^{[Needs Citation]}
Drazak^{[Needs Citation]}	Tomb World^{[Needs Citation]}		Ruled over by the Necron Lord Valgul.^{[Needs Citation]}
Dreah^{[Needs Citation]}	Agri World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Drex^{[Needs Citation]}
Drook VI^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Home to the Drookian Fen Guard Imperial Guard.^{[Needs Citation]}
Drusus^{[Needs Citation]}	Shrine World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Dulan^{[Needs Citation]}			Conquered by the Space Wolves and Dark Angels, led by their Primarchs, during the Great Crusade.^{[Needs Citation]}
Dunen II^{[Needs Citation]}	Dead World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Dunroamin VI^{[Needs Citation]}	Mining World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Dusk^{[Needs Citation]}	Feral World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Duthovan^{[Needs Citation]}	Ocean World^{[Needs Citation]}		Was a recruitment world for the Dark Angels Legion during the Great Crusade.^{[Needs Citation]}
Dwimlicht^{[Needs Citation]}	Feral World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
D'yanoi^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Dykastra^{[Needs Citation]}		Obscurus^{[Needs Citation]}
Dynax Primus^{[Needs Citation]}	Forge World^{[Needs Citation]}

E

Planet Name	Planet Type	Segmentum	Notes
Eden Prime^{[Needs Citation]}	Agri World^{[Needs Citation]}		Destroyed^{[Needs Citation]}
Eidolon^{[Needs Citation]}	Daemon World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Elara Prime^{[Needs Citation]}
Eldritch^{[Needs Citation]}	Dead world^{[Needs Citation]}	Ultima^{[Needs Citation]}	Subjected to Exterminatus.^{[Needs Citation]}
Elnath^{[Needs Citation]}	Jungle World^{[Needs Citation]}
Elros^{[Needs Citation]}	Feudal World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Elsy'eir^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Elusia Prime^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of the Doom Legion.^{[Needs Citation]}
Elysia^{[Needs Citation]}	Civilised World^{[Needs Citation]}	Solar^{[Needs Citation]}
Elysiar^{[Needs Citation]}	Civilized World^{[Needs Citation]}	Segmentum Obscurus^{[Needs Citation]}	The fourth planet of Modren’s Realm.^{[Needs Citation]}
Emele^{[Needs Citation]}	Maiden World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Emiline's Hope^{[Needs Citation]}	Shrine World^{[Needs Citation]}
Endrite^{[Needs Citation]}	Feral World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Endymion Prime^{[Needs Citation]}	Death World^{[Needs Citation]}
Ephaeda^{[Needs Citation]}		Ultima^{[Needs Citation]}
Ephisia^{[Needs Citation]}	Hive World^{[Needs Citation]}		Site of the Ephisian Atrocity.^{[Needs Citation]}
Ephraeleon^{[Needs Citation]}	Dead World^{[Needs Citation]}		Exodite World destroyed by Tyranids.^{[Needs Citation]}
Epsion Octarius^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Solar^{[Needs Citation]}	Contested between Imperial and Ork Forces.^{[Needs Citation]}
Erenon^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of the Celestial Guard.^{[Needs Citation]}
Ergotia^{[Needs Citation]}
Erridas^{[Needs Citation]}
Erwynn's World^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	"Beyond Imperial boundaries"	Home of the Dragon Lords.^{[Needs Citation]}
Esko^{[Needs Citation]}		Tempestus^{[Needs Citation]}
Espandor^{[Needs Citation]}	Cardinal World^{[Needs Citation]}	Ultima^{[Needs Citation]}	One of the nine worlds of Ultramar.^{[Needs Citation]}
Estaban III^{[Needs Citation]}	Forge World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Estaban VII^{[Needs Citation]}	Forge World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Es'Tau^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Eswulus^{[Needs Citation]}	Ocean World^{[Needs Citation]}
Etiamnun III^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Eurytion^{[Needs Citation]}	Imperial World^{[Needs Citation]}		Involved in the Palatine Crusade.^{[Needs Citation]}
Evangel^{[Needs Citation]}	Dead World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Eydolim^{[Needs Citation]}	Shrine World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Site of the Battle of Eagle Gate.^{[Needs Citation]}
Eyrie^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Solar^{[Needs Citation]}	Home of the Storm Wings.^{[Needs Citation]}

F

Planet Name	Planet Type	Segmentum	Notes
Fal'shia^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Fedrid^{[Needs Citation]}	Feral World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Felis^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of the White Panthers.^{[Needs Citation]}
Fell Core^{[Needs Citation]}	Dead World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Former Hive World^{[Needs Citation]}
Fenksworld^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Fenris^{[Needs Citation]}	Adeptus Astartes Homeworld / Death World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Home of the Space Wolves.^{[Needs Citation]}
Ferroxian^{[Needs Citation]}	Penal World^{[Needs Citation]}
Fervious^{[Needs Citation]}	Feudal World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Finreht Three-Seven^{[Needs Citation]}	Feral World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Home to the Finreht Highlanders Imperial Guard.^{[Needs Citation]}
Firestorm^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of the Aurora Chapter^{[Needs Citation]}
Fi'rios^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Fleur-de-Fides^{[Needs Citation]}	Cardinal World^{[Needs Citation]}	Solar^{[Needs Citation]}	Destroyed during the War of the Beast.^{[Needs Citation]}
Florins^{[Needs Citation]}		Obscurus^{[Needs Citation]}	The planet's male population was completely wiped out by the dreaded Red Flux disease, released by Typhus the Herald of Nurgle.^{[Needs Citation]}
Flotte^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Fool's Paradise^{[Needs Citation]}	Daemon World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Fordris^{[Needs Citation]}	Tomb World^{[Needs Citation]}
Forgefane^{[Needs Citation]}	Fortress World^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Held by the Iron Warriors.^{[Needs Citation]}
Forge Polix^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Ruled by the Dark Mechanicum.^{[Needs Citation]}
Formal Prime^{[Needs Citation]}	Hive World^{[Needs Citation]}	Pacificus^{[Needs Citation]}	Reconquered during the Sabbat Worlds Crusade.^{[Needs Citation]}
Fornax Aleph^{[Needs Citation]}	Hive World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Fortress^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of the Crimson Paladins.^{[Needs Citation]}
Fortis Binary^{[Needs Citation]}	Forge World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Foth III^{[Needs Citation]}
Foth VI^{[Needs Citation]}
Framlingham^{[Needs Citation]}	Imperial World^{[Needs Citation]}		Home to the Framlingham Rifles Imperial Guard.^{[Needs Citation]}
Furund^{[Needs Citation]}	Ice World^{[Needs Citation]}

G

Planet Name	Planet Type	Segmentum	Notes
Gacrux^{[Needs Citation]}	Desert World^{[Needs Citation]}
Gaero Alphus^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Galan V^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Galaspar^{[Needs Citation]}	Hive World^{[Needs Citation]}
Galathas II^{[Needs Citation]}	Ice World^{[Needs Citation]}
Galavan^{[Needs Citation]}	Jungle World^{[Needs Citation]}
Gallilenus III^{[Needs Citation]}	Cardinal World^{[Needs Citation]}
Galmor^{[Needs Citation]}	Jungle World^{[Needs Citation]}
Gamara 12^{[Needs Citation]}		Pacificus^{[Needs Citation]}	Reclaimed during the Macharian Crusade.\|^{[Needs Citation]}
Gammenon IX^{[Needs Citation]}		Ultima^{[Needs Citation]}
Ganf Magna^{[Needs Citation]}	Frontier World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Garaghak's World^{[Needs Citation]}	Ork World^{[Needs Citation]}	Tempestus^{[Needs Citation]}
Gargathea III^{[Needs Citation]}	Feral World^{[Needs Citation]}	Ultima^{[Needs Citation]}	One of the planets on which there were battles during Badab War.\|^{[Needs Citation]}
Garm^{[Needs Citation]}	Industrial World^{[Needs Citation]}
Garomar^{[Needs Citation]}
Gath Rimmon^{[Needs Citation]}	Death World^{[Needs Citation]}
Gathalamor^{[Needs Citation]}		Solar^{[Needs Citation]}
Gathis II^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}		Gathis II is the current Homeworld of the Doom Eagles Chapter.^{[Needs Citation]}
Gehenna^[2]	Forge World^[2]		Produces the Manticore platform, possibly (or not) site of the Gehenna Campaign.^[2]
Gehenna Prime^[1]		Ultima^[1]	Site of an Ork invasion and a Genestealer infestation.^[1]
Gehöft^{[Needs Citation]}	Dead World^{[Needs Citation]}		Former Agri World before a daemonic incursion and subsequent Exterminatus.^{[Needs Citation]}
Genarius Prime^{[Needs Citation]}
Geratomro^{[Needs Citation]}	Industrial World^{[Needs Citation]}	Tempestus^{[Needs Citation]}	A.k.a. Gerat III, Gerat Prime^{[Needs Citation]}
Gereon^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Pacificus^{[Needs Citation]}	Formally under Chaos control.^{[Needs Citation]}
Ghalmek^{[Needs Citation]}	Daemon World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Gheden^{[Needs Citation]}	Tomb World^{[Needs Citation]}		Crownworld of the Nihilakh Dynasty.^{[Needs Citation]}
Gheistos^{[Needs Citation]}	Dead World, formerly Agri World^{[Needs Citation]}
Ghinga^{[Needs Citation]}	War World^{[Needs Citation]}		Imperium fights Chaos.^{[Needs Citation]}
Ghorstangrad^{[Needs Citation]}	former Adeptus Astartes Homeworld^{[Needs Citation]}		Former Homeworld of the Emperor's Sword Chapter.^{[Needs Citation]}
Ghül^{[Needs Citation]}	Xenos World^{[Needs Citation]}
Gidrim^{[Needs Citation]}	Tomb World^{[Needs Citation]}		Ruled by Necron Overlord Zahndrekh.^{[Needs Citation]}
Gilreh^{[Needs Citation]}
Gloriam^{[Needs Citation]}	War World^{[Needs Citation]}	Pacificus^{[Needs Citation]}	Contested between Ork and Imperial Forces.^{[Needs Citation]}
Gnosis Prime^{[Needs Citation]}	Hive World^{[Needs Citation]}
Gohliath IV^{[Needs Citation]}
Golgotha^{[Needs Citation]}	Ork World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Golia VII^{[Needs Citation]}	Daemon World^{[Needs Citation]}
Gonomondium^{[Needs Citation]}	Quarantined World^{[Needs Citation]}
Gonoria Prime^{[Needs Citation]}	Desert World^{[Needs Citation]}		Site of the Gonoria Prime Rebellion^{[Needs Citation]}
Goranado^{[Needs Citation]}	Jungle World^{[Needs Citation]}
Gorgonum^{[Needs Citation]}	Forge World^{[Needs Citation]}
Gorkamorka^{[Needs Citation]}	Ork World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Gororan III^{[Needs Citation]}
Goru-Prime^{[Needs Citation]}	Desert World^{[Needs Citation]}
Go'shol^{[Needs Citation]}	Ice World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Goth^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Govina^{[Needs Citation]}	Sept World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Graffias^{[Needs Citation]}	Jungle World^{[Needs Citation]}
Graia^{[Needs Citation]}	Forge World^{[Needs Citation]}	Tempestus^{[Needs Citation]}
Grangold^{[Needs Citation]}	Dead World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Granithor^{[Needs Citation]}	Cemetery World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Gravalax^{[Needs Citation]}	Agri World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Greater Eydolim^{[Needs Citation]}	Mining World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Gas giant.^{[Needs Citation]}
Grendel's World^{[Needs Citation]}	Dead World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Destroyed by the Night Lords.^{[Needs Citation]}
Grimoyr^{[Needs Citation]}		Pacificus^{[Needs Citation]}	Was occupied by the forces of Chaos.^{[Needs Citation]}
Gruss^{[Needs Citation]}	Agri World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Belongs to the Rogue Trader Vyr Modren (see also Modren's Realm).^{[Needs Citation]}
Gryphonne IV^{[Needs Citation]}	Forge World^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Eaten by Hive Fleet Leviathan.^{[Needs Citation]}
Gudrun^{[Needs Citation]}	Civilised World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Guer III^{[Needs Citation]}		Tempestus^{[Needs Citation]}
Gunpoint^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Guryan^{[Needs Citation]}	Mining World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Guytoga^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Gythos^{[Needs Citation]}

H

Planet Name	Planet Type	Segmentum	Notes
Haakonath^{[Needs Citation]}	Destroyed. Former Adeptus Astartes Homeworld.^{[Needs Citation]}		Former Adeptus Astartes Homeworld of the Star Phantoms Space Marines Chapter.^{[Needs Citation]}
Haark^{[Needs Citation]}			Was attacked in 477.M39 by the Daemons of Tzeentch and then destroyed in a supernova explosion. See also By the Dying Light incident.^{[Needs Citation]}
Hadd^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Haddrack^{[Needs Citation]}	Death World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Hadleys Hope^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Hagia^{[Needs Citation]}	Agri World / Shrine World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Hamooth^{[Needs Citation]}	Agri World^{[Needs Citation]}
Harakon^{[Needs Citation]}	Hive World^{[Needs Citation]}		Home to the Harakoni Warhawks Imperial Guard Regiments.^{[Needs Citation]}
Harkon^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Solar^{[Needs Citation]}
Haxan Prime^{[Needs Citation]}	Quarantined World^{[Needs Citation]}
Hazhim^{[Needs Citation]}	Hive World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Heckla^{[Needs Citation]}	Ice World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Hegelian IX^{[Needs Citation]}
Heidrun^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Heletine^{[Needs Citation]}	Cardinal World^{[Needs Citation]}		In 980.M41, Heletine was embroiled in Promethean War — conflict between Sisters of Battle and Salamanders Space Marine Chapter against the Black Legion Chaos Space Marines.^{[Needs Citation]}
Helios^{[Needs Citation]}	Forge World^{[Needs Citation]}
Hellgrace^{[Needs Citation]}	Forge World^{[Needs Citation]}
Hermetica^{[Needs Citation]}	Hive World^{[Needs Citation]}	Solar^{[Needs Citation]}
Herod^{[Needs Citation]}	Desert World, Mining World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Herodor^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Pacificus^{[Needs Citation]}	Contested between Imperial and Chaos Forces.^{[Needs Citation]}
Hesh^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Hesiod's Wake^{[Needs Citation]}	Agri World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Hesperax^{[Needs Citation]}	Dead World, former Xenos World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Het^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Heterodyne^{[Needs Citation]}	Feudal World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Hethgar Prime^{[Needs Citation]}		Ultima^{[Needs Citation]}
Hexis Alpha^{[Needs Citation]}	Hive World^{[Needs Citation]}		The Knights of House Mortan, House Althalos and House Thalmus saved the Hive World, when a Warp rift spawned a tide of Daemons across the planet.^{[Needs Citation]}
Hilarion^{[Needs Citation]}	Agri World / Feudal World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Hlatan^{[Needs Citation]}		Tempestus^{[Needs Citation]}
Hoight^{[Needs Citation]}	Garden World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Holda^{[Needs Citation]}	Dead World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Honourum^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of the Novamarines.^{[Needs Citation]}
Horestis^{[Needs Citation]}	Dead World^{[Needs Citation]}		Former Daemon World of Nurgle, destroyed by Exterminatus from the Imperial Navy.^{[Needs Citation]}
Ho'sarn^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Hranx^{[Needs Citation]}	War World/Hive World^{[Needs Citation]}		Contested between the Imperium and the Alpha Legion.^{[Needs Citation]}
Hredrin^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Hubris^{[Needs Citation]}	Ice World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Hurspraxia^{[Needs Citation]}	Dead World^{[Needs Citation]}		The Imperium's forces responded too late, to a distress signal from Hurspraxia and arrived to find a lifeless rock.^{[Needs Citation]}
Husk^{[Needs Citation]}
Hyannoth IV^{[Needs Citation]}	Imperial World^{[Needs Citation]}		Home to Neandor Abhumans^{[Needs Citation]}
Hyades^{[Needs Citation]}	Jungle World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Hydra Minoris^{[Needs Citation]}	Dead World^{[Needs Citation]}
Hydraphur^{[Needs Citation]}	Forge World / Segmentum Fortress^{[Needs Citation]}	Pacificus^{[Needs Citation]}	Segmentum Command of Segmentum Pacificus^{[Needs Citation]}
Hypnoth^{[Needs Citation]}	Forge World^{[Needs Citation]}		Conquered by the Necrons.^{[Needs Citation]}
Hypasitis^{[Needs Citation]}	Cemetery World^{[Needs Citation]}
Hyraq II^{[Needs Citation]}

I

Planet Name	Planet Type	Segmentum	Notes
Iax^{[Needs Citation]}	Paradise World / Agri World^{[Needs Citation]}	Ultima^{[Needs Citation]}	One of the nine worlds of Ultramar.^{[Needs Citation]}
Icefang^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of the Tigers Argent.^{[Needs Citation]}
Ichar IV^{[Needs Citation]}	Hive World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Ichorax^{[Needs Citation]}	Dead World/formerHive World^{[Needs Citation]}
Ichoria^{[Needs Citation]}	Daemon World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Ichtar IX^{[Needs Citation]}	Hive World^{[Needs Citation]}
Ichovor^{[Needs Citation]}	Feudal World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Idumea^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Iduno^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Idyll^{[Needs Citation]}	Shrine World^{[Needs Citation]}
Iesta Veracrux^{[Needs Citation]}	Agri World^{[Needs Citation]}
Ignatius Cardinal^{[Needs Citation]}	Cardinal World^{[Needs Citation]}
Incaladion^{[Needs Citation]}	Forge World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Ingiga^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Solar^{[Needs Citation]}	Home of the Angels of Fury.^{[Needs Citation]}
Inferria-Prime^{[Needs Citation]}
Innocence III^{[Needs Citation]}	Shrine World^{[Needs Citation]}
Inwit^{[Needs Citation]}	Ice World^{[Needs Citation]}		Former homeworld of Rogal Dorn.^{[Needs Citation]}
Iocanthos^{[Needs Citation]}	Agri World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Ironhelm^{[Needs Citation]}	Forge World^{[Needs Citation]}		Liberated in 901.M41 from Waaagh! Bludcrumpa by the Blood Angels.^{[Needs Citation]}
Ironghast Foundry^{[Needs Citation]}	Forge World^{[Needs Citation]}		Chaos world dedicated to the Blood God.^{[Needs Citation]}
Isla'su^{[Needs Citation]}	Ocean World^{[Needs Citation]}	Ultima Segmentum^{[Needs Citation]}	Belongs to the Tau Empire. Homeworld of the Greet xenos.^{[Needs Citation]}
Isstvan III^{[Needs Citation]}	Dead World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Isstvan V^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Location of the Drop Site Massacre.^{[Needs Citation]}
Ithaka^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}		Home of the Iron Snakes.^{[Needs Citation]}
Ixya^{[Needs Citation]}	Dead World, Tomb World^{[Needs Citation]}
Izzakos^{[Needs Citation]}	Penal World^{[Needs Citation]}

J

Planet Name	Planet Type	Segmentum	Notes
Jaggafall^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Home of the Blood Swords.^{[Needs Citation]}
Jago^{[Needs Citation]}	Fortress World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Jagun^{[Needs Citation]}	Adeptus Astartes Homeworld/Feral World^{[Needs Citation]}		Home of the Storm Reapers.^{[Needs Citation]}
Japheth^{[Needs Citation]}	Hive World^{[Needs Citation]}
Jared's World^{[Needs Citation]}
Jollana^{[Needs Citation]}	Civilised World^{[Needs Citation]}
Jones Crispin World^{[Needs Citation]}	Hive World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Jorun's World^{[Needs Citation]}			Site of the Gorklaw's Waaagh! in 805.M41.^{[Needs Citation]}
Jouran^{[Needs Citation]}	Civilised World^{[Needs Citation]}		Home to the Jouran Dragoons Imperial Guard.^{[Needs Citation]}
Jubal^{[Needs Citation]}	Mining World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Jumael IV^{[Needs Citation]}	Agri World^{[Needs Citation]}		Home to the Jumael Volunteers Imperial Guard.^{[Needs Citation]}
Jupiter^{[Needs Citation]}	Forge World^{[Needs Citation]}	Solar^{[Needs Citation]}
Jurn^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Tempestus^{[Needs Citation]}

K

Planet Name	Planet Type	Segmentum	Notes
Kaenis V^{[Needs Citation]}
Kai^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
K’ail^{[Needs Citation]}		Ultima^{[Needs Citation]}	Former Tau world that was conquered by the Ultramarines in 913.M41 during The Six Hour War.^{[Needs Citation]}
Kaladrone^{[Needs Citation]}	Industrial World^{[Needs Citation]}
Kaledon^{[Needs Citation]}	Imperial World^{[Needs Citation]}		Home to the Kaledon Hunters Imperial Guard.^{[Needs Citation]}
Kalf^{[Needs Citation]}	Frontier World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Kalidar I^{[Needs Citation]}	Dead World^{[Needs Citation]}	Tempestus^{[Needs Citation]}
Kalidar II^{[Needs Citation]}	Dead World^{[Needs Citation]}	Tempestus^{[Needs Citation]}
Kalidar III^{[Needs Citation]}	Dead World^{[Needs Citation]}	Tempestus^{[Needs Citation]}
Kalidar IV^{[Needs Citation]}	Industrial World^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Capital World of the Chiros Sector.^{[Needs Citation]}
Kaliman IV^{[Needs Citation]}
Kallista^{[Needs Citation]}	Industrial World^{[Needs Citation]}
Ka'mais^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Kamenka Troika^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Kanak^{[Needs Citation]}	Feral World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Kanzuz IX^{[Needs Citation]}			Was desecrated by Fabius Bile.^{[Needs Citation]}
Kapella 47^{[Needs Citation]}	War World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Kar Duniash^{[Needs Citation]}	Forge World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Segmentum Command for Ultima Segmentum.^{[Needs Citation]}
Karkariad^{[Needs Citation]}		Pacificus^{[Needs Citation]}	Was occupied by the forces of Chaos.^{[Needs Citation]}
Karnak II^{[Needs Citation]}		Obscurus^{[Needs Citation]}	Site were the Lightning STC patterns were found.^{[Needs Citation]}
Karnax 17^{[Needs Citation]}
Karrik^{[Needs Citation]}	Death World / Ice World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Kastorel-Novem^{[Needs Citation]}	Ork World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Base of Waaagh! Garaghak.^{[Needs Citation]}
Kataris^{[Needs Citation]}	Dead World, former Agri World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Kathalon^{[Needs Citation]}	Daemon World^{[Needs Citation]}
Kathur^{[Needs Citation]}	Shrine World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Kato^{[Needs Citation]}	Shadow World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Kaurava I^{[Needs Citation]}	Civilised World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Center of the Kaurava system.^{[Needs Citation]}
Kaurava II^{[Needs Citation]}	Civilised World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Kaurava III^{[Needs Citation]}	Tomb World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Kaurava IV^{[Needs Citation]}	Civilised World^{[Needs Citation]}	Ultima^{[Needs Citation]}
KCX-1288^{[Needs Citation]}	Xenos World^{[Needs Citation]}		Homeworld of the Saruthi.^{[Needs Citation]}
Keletros^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Solar^{[Needs Citation]}	Home of the Skull Bearers.^{[Needs Citation]}
Ke'lshan^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Kenov III^{[Needs Citation]}	Death World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Calixis Sector^{[Needs Citation]}
Kentaur^{[Needs Citation]}
Keylek^{[Needs Citation]}	Xenos World^{[Needs Citation]}		Homeworld of the Keylekid.^{[Needs Citation]}
Khai-zhan^{[Needs Citation]}	Agri World/Ocean World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Khedd 1173^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Khongkotan^{[Needs Citation]}	Feral World^{[Needs Citation]}
Khoraj^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Homeworld of the Iron Champions Chapter.^{[Needs Citation]}
Khur^{[Needs Citation]}	Dead World^{[Needs Citation]}		Was exterminated during the Great Scouring.^{[Needs Citation]}
Khymara^{[Needs Citation]}	Death World/ Mining Colony^{[Needs Citation]}	Ultima^{[Needs Citation]}
Kiavahr^{[Needs Citation]}	Adeptus Astartes Homeworld / Hive World^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Home of the Raven Guard.^{[Needs Citation]}
Kimmeria^{[Needs Citation]}	Feral World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Dark Angels recruiting world.^{[Needs Citation]}
Klaihn^{[Needs Citation]}	Ice World^{[Needs Citation]}		Eldar planet^{[Needs Citation]}
Klithaine^{[Needs Citation]}	Former Exodite World^{[Needs Citation]}		The Eldar population of the planet were killed and devoured by the Wrath Chaos Space Marines warband.^{[Needs Citation]}
Klybo^{[Needs Citation]}	Dead World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Knarr^{[Needs Citation]}
Kodiak Prime^{[Needs Citation]}
Kolagar^{[Needs Citation]}
Kommitzar^{[Needs Citation]}	Penal World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
K'otal^{[Needs Citation]}	Mining World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Kovalic II^{[Needs Citation]}		Ultima Segmentum/Maelstrom^{[Needs Citation]}	Was attacked by Eldar pirates - presumably Dark Eldar. The resisted soldiers were killed, the other inhabitants - were taken into slavery.^{[Needs Citation]}
Kragh^{[Needs Citation]}	Knight World^{[Needs Citation]}		Was rediscovered in 112.M41 after the abating of localised Warp storm that raged in this region for over twenty millennia.^{[Needs Citation]}
Krandor III^{[Needs Citation]}	Dead World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Suffered a massive Chaos Cult led rebellion in 853.M41.^{[Needs Citation]}
Kreinaath^{[Needs Citation]}		Obscurus^{[Needs Citation]}	Word Bearers held planet, near the Eye of Terror.^{[Needs Citation]}
Krieg^{[Needs Citation]}	Death World^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Home to the Death Korps of Krieg Imperial Guard.^{[Needs Citation]}
Kronus^{[Needs Citation]}	Tomb World / Civilised World^{[Needs Citation]}	Ultima
Krourk^{[Needs Citation]}	Ogryn World^{[Needs Citation]}	Solar^{[Needs Citation]}	Recruiting grounds for the Krourk Ogryn Auxilia.^{[Needs Citation]}
Ksi'm'yen^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Kulth^{[Needs Citation]}	War World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Contested between Imperial and Ork Forces.^{[Needs Citation]}

L

Planet Name	Planet Type	Segmentum	Notes
Lacusta^{[Needs Citation]}	Feral World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Laius Rift^{[Needs Citation]}	Death World^{[Needs Citation]}
Lammas^{[Needs Citation]}			Site of the Lammas Campaign.^{[Needs Citation]}
Landunder^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Lassiv^{[Needs Citation]}	Dead World^{[Needs Citation]}
Lathes^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Lavantia^{[Needs Citation]}	Adeptus Astartes Homeworld, Hive World, Desert World^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Homeworld of the Night Swords Space Marine Chapter.^{[Needs Citation]}
Laymon^{[Needs Citation]}		Tempestus^{[Needs Citation]}
Lector's Lowel^{[Needs Citation]}	Adeptus Mechanicus World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Lehyde Ten^{[Needs Citation]}	Frontier World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Lesser Nox^{[Needs Citation]}	Death World^{[Needs Citation]}
Lethe Eleven^{[Needs Citation]}	Ork World, formerly Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Lethys^{[Needs Citation]}
Levion Gamma^{[Needs Citation]}
Libethra^{[Needs Citation]}	Former Adeptus Astartes Homeworld, now - destroyed^{[Needs Citation]}	Segmentum Tempestus^{[Needs Citation]}	Former Homeworld of the Angels Revenant.^{[Needs Citation]}
Ligeria^{[Needs Citation]}
Lilia Mundi^{[Needs Citation]}	Feral World^{[Needs Citation]}
Lima Rogan^{[Needs Citation]}
Limnus Epsilon^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Lissandro^{[Needs Citation]}	Imperial world^{[Needs Citation]}
Llagris^{[Needs Citation]}
Lo^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Lodius^{[Needs Citation]}		Pacificus^{[Needs Citation]}
Lorin Alpha^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}		Homeworld of the Fire Angels Space Marine Chapter.^{[Needs Citation]}
Lorn V^{[Needs Citation]}	Ice World^{[Needs Citation]}
Loqiit^{[Needs Citation]}	Xenos World^{[Needs Citation]}		Homeworld of the Q'orl.^{[Needs Citation]}
Lostok^{[Needs Citation]}		Ultima Segmentum^{[Needs Citation]}	The source of the Lostok 23rd, an Imperial Guard Regiment of Gland War Veterans.^{[Needs Citation]}
Lucid Prime^{[Needs Citation]}	Shrine World^{[Needs Citation]}		Place of the Honour's End incident.^{[Needs Citation]}
Lucius^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Luggnum^{[Needs Citation]}	Mining World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Luther Macintyre IX^{[Needs Citation]}	Death World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Luxor (Gothic Sector)^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Luxor^{[Needs Citation]}	Industrial World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Lycosidae^{[Needs Citation]}	Dead World^{[Needs Citation]}	Obscurus^{[Needs Citation]}

M

Planet Name	Planet Type	Segmentum	Notes
Maccabeus Quintus^{[Needs Citation]}	Shrine World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Macharia^{[Needs Citation]}	Shrine World^{[Needs Citation]}	Pacificus^{[Needs Citation]}	Originally named Donia and later renamed, Birthplace of Macharius.^{[Needs Citation]}
Macharia (Obscurus)^{[Needs Citation]}		Obscurus^{[Needs Citation]}
Machiun^{[Needs Citation]}
Macragge^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Hoaf Ultramarines, Capital World of Ultramar.^{[Needs Citation]}
Magdaelene IX ^{[Needs Citation]}	Ork World^{[Needs Citation]}	Tempestus^{[Needs Citation]}
Magnax V^{[Needs Citation]}
Magnos Omicron^{[Needs Citation]}	Forge World^{[Needs Citation]}	Solar^{[Needs Citation]}
Mahr'douk^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Malbolge IV^{[Needs Citation]}
Malfi^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Malice^{[Needs Citation]}	War World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Frontline of the Wrack War.^{[Needs Citation]}
Malodrax^{[Needs Citation]}	Fortress World^{[Needs Citation]}		Iron Warriors world.^{[Needs Citation]}
Malvolion^{[Needs Citation]}	Dead World, formerly Agri World^{[Needs Citation]}
Mancora^{[Needs Citation]}	Adeptus Astartes Homeworld / Feudal World / Knight World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of Howling Griffons.^{[Needs Citation]}
Mandragora^{[Needs Citation]}	Tomb World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Crownworld of the Sautekh Dynasty.^{[Needs Citation]}
Manzipor^{[Needs Citation]}	Civilised World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Mara^{[Needs Citation]}	Ice World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Marfak^{[Needs Citation]}	Desert World^{[Needs Citation]}
Mariach^{[Needs Citation]}		Ultima^{[Needs Citation]}
Marioch^{[Needs Citation]}	Frontier World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Mars^{[Needs Citation]}	Forge World / Fortress World^{[Needs Citation]}	Solar^{[Needs Citation]}	Center of the Adeptus Mechanicus.^{[Needs Citation]}
Marunda II^{[Needs Citation]}	Agri World^{[Needs Citation]}
Masali^{[Needs Citation]}	Agri World^{[Needs Citation]}		One of the nine worlds of Ultramar.^{[Needs Citation]}
Mataras IV^{[Needs Citation]}	Dead World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Maypax^{[Needs Citation]}	Death World^{[Needs Citation]}
Medrengard^{[Needs Citation]}	Daemon World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Medusa^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Home of Iron Hands.^{[Needs Citation]}
Medusa V^{[Needs Citation]}	Mining World / Dead World^{[Needs Citation]}	Ultima^{[Needs Citation]}	At the center of The Fall of Medusa V.^{[Needs Citation]}
Megheim^{[Needs Citation]}	Hive World^{[Needs Citation]}
Megiddio Primus^{[Needs Citation]}	Death World^{[Needs Citation]}
Mekbuda^{[Needs Citation]}	Jungle World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Near the Eye of Terror.^{[Needs Citation]}
Mekslag-llks^{[Needs Citation]}	Ork World^{[Needs Citation]}	Tempestus^{[Needs Citation]}
Melchior^{[Needs Citation]}			The planet was stripped of all human life by Nephilim just before the Great Crusade. Eventually it was conquered by the Blood Angels and Luna Wolves.^{[Needs Citation]}
Menazoid Epsilon^{[Needs Citation]}	Death World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Mendona^{[Needs Citation]}	Ice World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Merga^{[Needs Citation]}	Jungle World^{[Needs Citation]}
Merida^{[Needs Citation]}		Ultima Segmentum^{[Needs Citation]}	After the Necron attack in 666.M40 all Imperial colonists were gone without trace.^{[Needs Citation]}
Meridian^{[Needs Citation]}	Hive World^{[Needs Citation]}
Merov^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Merovincha^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Messia^{[Needs Citation]}	Death World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Affilation: Chaos^{[Needs Citation]}
Metalica^{[Needs Citation]}	Forge World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Methalor^{[Needs Citation]}	Hive World^{[Needs Citation]}	Solar^{[Needs Citation]}
Methusela^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Mezoa^{[Needs Citation]}	Forge World^{[Needs Citation]}	Ultima^{[Needs Citation]}
MG-Dyel^{[Needs Citation]}		Ultima^{[Needs Citation]}
Minea^{[Needs Citation]}	Hive World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Minerva^{[Needs Citation]}	Civilised World^{[Needs Citation]}	Solar^{[Needs Citation]}
Miral II^{[Needs Citation]}	Jungle World^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Was saved from Hive Fleet Leviathan by the Imperial Fists Chapter.^{[Needs Citation]}
Mithron^{[Needs Citation]}	Shrine World^{[Needs Citation]}
M'khand^{[Needs Citation]}	Forge World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
M'Laar XIII^{[Needs Citation]}	Daemon World^{[Needs Citation]}		Controlled by Chaos.^{[Needs Citation]}
Modren Prime^{[Needs Citation]}	Civilized World^{[Needs Citation]}		Second planet of Modren’s Realm.^{[Needs Citation]}
Moebius^{[Needs Citation]}	Tomb World^{[Needs Citation]}		Crownworld of the Nekthyst Dynasty.
Moirae^{[Needs Citation]}	Forge World^{[Needs Citation]}		Destroyed in the Moirae Schism.^{[Needs Citation]}
Monrass^{[Needs Citation]}	Feral World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Montsegnur^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Homeworld of the Red Hunters Space Marine Chapter.^{[Needs Citation]}
Mordant Prime^{[Needs Citation]}	Mining World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Home to the Mordant Acid Dogs Imperial Guard.^{[Needs Citation]}
Mordax^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Mordian^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Home to the Mordian Iron Guard Imperial Guard Regiments.^{[Needs Citation]}
Mordriana III^{[Needs Citation]}	Feral World, Jungle World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Moredakka^{[Needs Citation]}	Ork World^{[Needs Citation]}
Moriorum^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Homeworld of the Dark Eagles Space Marine Chapter.^{[Needs Citation]}
Morlond^{[Needs Citation]}	Fortress World^{[Needs Citation]}	Pacificus^{[Needs Citation]}	Contested between Imperial and Chaos forces.^{[Needs Citation]}
Morrigar^{[Needs Citation]}	Hive World/Tomb World^{[Needs Citation]}		Rendered lifeless.^{[Needs Citation]}
Morrigor^{[Needs Citation]}	Tomb World^{[Needs Citation]}
Mortikah VII^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Pacificus^{[Needs Citation]}	Homeworld of the Guardians of the Covenant Space Marine Chapter.^{[Needs Citation]}
Mortressa^{[Needs Citation]}	Death World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Morwen VI^{[Needs Citation]}	Dead World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Mpandex^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Mu'gulath Bay^{[Needs Citation]}	Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}	Formerly an Imperial Hive World.^{[Needs Citation]}
Mundus Planus^{[Needs Citation]}	Adeptus Astartes Homeworld / Feral World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of White Scars.^{[Needs Citation]}
Mundus Pyra^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of Fire Lords.^{[Needs Citation]}
Murder^{[Needs Citation]}	Death World^{[Needs Citation]}		Originally designated One-Forty-Twenty.^{[Needs Citation]}
Murzim^{[Needs Citation]}	Desert World^{[Needs Citation]}
Mysibis^{[Needs Citation]}

N

Planet Name	Planet Type	Segmentum	Notes
Nagathar^{[Needs Citation]}	Tomb World^{[Needs Citation]}
Na'jadar^{[Needs Citation]}	Desert World^{[Needs Citation]}
Nalibraxis II^{[Needs Citation]}	Jungle World^{[Needs Citation]}
Nanthrax III^{[Needs Citation]}
Naogeddon^{[Needs Citation]}	Dead World^{[Needs Citation]}
Naos^{[Needs Citation]}	Jungle World^{[Needs Citation]}
ND0/K4^{[Needs Citation]}	Mining World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
N'dras^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Nebrus IX^{[Needs Citation]}	Dead World^{[Needs Citation]}
Necris^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	"Beyond Imperial boundaries"	Home of the Marines Exemplar.^{[Needs Citation]}
Necromunda^{[Needs Citation]}	Hive World^{[Needs Citation]}	Solar^{[Needs Citation]}
Nedicta Secundus^{[Needs Citation]}	Cardinal World^{[Needs Citation]}
Nekkar^{[Needs Citation]}	Forge World^{[Needs Citation]}		Captured by the Word Bearers until Captain Kruger's Ultramarines Company defeated them.^{[Needs Citation]}
Nemesis Tessera^{[Needs Citation]}		Obscurus^{[Needs Citation]}	Site of an Inquisition fortress.
Neptune^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Solar^{[Needs Citation]}
Neutra^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Home of the Relictors.^{[Needs Citation]}
New Badab^{[Needs Citation]}	Chaos Space Marine Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Current stronghold of the Red Corsairs.
New Bylar^{[Needs Citation]}		Obscurus^{[Needs Citation]}
New Muin^{[Needs Citation]}			Planet's population sacrificed to the Blood God.^{[Needs Citation]}
Newfound^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of the Genesis Chapter.^{[Needs Citation]}
Newseam^{[Needs Citation]}	Mining World^{[Needs Citation]}	Ultima Segmentum^{[Needs Citation]}	Home to the Cult of the Rusted Claw.^{[Needs Citation]}
Nihilas^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of the Death Strike.^{[Needs Citation]}
Nimbosa^{[Needs Citation]}	Industrial World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Focus of the Nimbosa Crusade.^{[Needs Citation]}
Nocturne^{[Needs Citation]}	Adeptus Astartes Homeworld / Death World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of the Salamanders.^{[Needs Citation]}
Nonimax^{[Needs Citation]}	Hive World^{[Needs Citation]}	Pacificus^{[Needs Citation]}	Occupied by the forces of Chaos.^{[Needs Citation]}
Nomanus^{[Needs Citation]}	Industrial World^{[Needs Citation]}
Nostramo^{[Needs Citation]}	Destroyed — former Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Former home of the Night Lords.^{[Needs Citation]}
Nurth^{[Needs Citation]}	Dead World^{[Needs Citation]}
Nymidae^{[Needs Citation]}	Necron Tomb World^{[Needs Citation]}		Recruitment world for the Dark Angels Chapter.^{[Needs Citation]}

O

Planet Name	Planet Type	Segmentum	Notes
Obsidia^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of the Sable Swords.^{[Needs Citation]}
Occludus^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	"Beyond Imperial boundaries"^{[Needs Citation]}	Home of the Death Spectres.^{[Needs Citation]}
Octarius^{[Needs Citation]}	Ork World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Capital of the Ork Empire of Octarius.^{[Needs Citation]}
Ogrys^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of the Invaders.^{[Needs Citation]}
Oldarian^{[Needs Citation]}
Olympia^{[Needs Citation]}	Destroyed - former Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Former home of the Iron Warriors.^{[Needs Citation]}
Omeros^{[Needs Citation]}
Omnicron 71-DX^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Ootheca^{[Needs Citation]}	Former Adeptus Astartes Homeworld^{[Needs Citation]}		Former homeworld of the Mantis Warriors Chapter, confiscated after the Badab War.^{[Needs Citation]}
Ophelia VII^{[Needs Citation]}	Cardinal World^{[Needs Citation]}	Tempestus^{[Needs Citation]}
Ophelion^{[Needs Citation]}
Opus Macharius^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Orana^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Orar^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Orask^{[Needs Citation]}	Frontier World/Fortress World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Orbel Quill^{[Needs Citation]}	Agri World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Ordana^{[Needs Citation]}	Forge World^{[Needs Citation]}
Orestes^{[Needs Citation]}	Forge World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Oriflame^{[Needs Citation]}
Orlen^{[Needs Citation]}
Orlenza Triartes^{[Needs Citation]}
Orpheus Prime^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima Segmentum^{[Needs Citation]}	Homeworld of the Praetors of Orpheus Chapter.^{[Needs Citation]}
Orphidia Delta^{[Needs Citation]}	Hive World^{[Needs Citation]}
Orphidia Prime^{[Needs Citation]}	Hive World^{[Needs Citation]}
Orthoda Rex^{[Needs Citation]}	Cardinal World^{[Needs Citation]}
Oscillia IX^{[Needs Citation]}		Pacificus^{[Needs Citation]}	Was occupied by the forces of Chaos.^{[Needs Citation]}
Outrenacht^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Home of the Legion of Night.^{[Needs Citation]}
Oxatan^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of the Red Legion.^{[Needs Citation]}

P

Planet Name	Planet Type	Segmentum	Notes
Palatine III^{[Needs Citation]}	Forge world^{[Needs Citation]}
Palomar^{[Needs Citation]}	Dead world^{[Needs Citation]}
Pandora Prime^{[Needs Citation]}	Hive world^{[Needs Citation]}		Invaded by Eldar, Ork and Chaos forces.
Parabulus^{[Needs Citation]}			Base of pirates^{[Needs Citation]}
Paragon^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Solar^{[Needs Citation]}	Home of the Emperor's Hands.^{[Needs Citation]}
Paraghast^{[Needs Citation]}	Hive World^{[Needs Citation]}
Paramar^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Solar^{[Needs Citation]}
Paramar V^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Solar^{[Needs Citation]}
Paraxus^{[Needs Citation]}	Imperial World^{[Needs Citation]}		A recruitment world for the Sons of Guilliman Chapter.^{[Needs Citation]}
Parosa^{[Needs Citation]}	Dead World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Pavar V^{[Needs Citation]}	Agri World^{[Needs Citation]}
Pavonis^{[Needs Citation]}	Mining World / Tomb World^{[Needs Citation]}	Ultima^{[Needs Citation]}	The location of the Night Bringer.^{[Needs Citation]}
Pax^{[Needs Citation]}	Gas Giant^{[Needs Citation]}	Segmentum Obscurus^{[Needs Citation]}	Belongs to Vyr Modren Rogue Trader (see also Modren's Realm).^{[Needs Citation]}
Pech^{[Needs Citation]}	Tau Empire World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Homeworld of the Kroot.^{[Needs Citation]}
Pelius^{[Needs Citation]}
Pellucida IX^{[Needs Citation]}	Mining World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Percipre^{[Needs Citation]}	Agri World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Perinetus^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Periremunda^{[Needs Citation]}	Civilised World^{[Needs Citation]}
Perlia^{[Needs Citation]}	Civilised World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Persepolis^{[Needs Citation]}	Hive World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Pervigilium^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Home of Angels of Vigilance^{[Needs Citation]}
Phaenon Prime^{[Needs Citation]}	Dead World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Phaethon IV^{[Needs Citation]}	Tomb World^{[Needs Citation]}
Phaeton^{[Needs Citation]}	Forge World^{[Needs Citation]}	Solar^{[Needs Citation]}	Origin of a common pattern of Leman Russ Battle Tank and Chimera variant with Heavy Flamers.^{[Needs Citation]}
Phagir^{[Needs Citation]}	Dead World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Phaistos Osiris^{[Needs Citation]}	Cardinal World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Phalan 10^{[Needs Citation]}	Industrial World^{[Needs Citation]}
Phobian^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Home of the Dark Hunters.^{[Needs Citation]}
Phobos^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Phyressia^{[Needs Citation]}			Home world of the Phyressian Armoured regiments of the Imperial Guard.^{[Needs Citation]}
Phyrr^{[Needs Citation]}	Death World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Picus^{[Needs Citation]}	Agri World^{[Needs Citation]}
Piety^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Piety of Seth^{[Needs Citation]}	Shrine World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Pilgrim's Pause^{[Needs Citation]}	Cemetery World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Pintax^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Tempestus^{[Needs Citation]}
Piscina IV^{[Needs Citation]}	Mining World^{[Needs Citation]}	Solar^{[Needs Citation]}	In a constant battle with Orks.^{[Needs Citation]}
Plague Planet^{[Needs Citation]}	Daemon World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Planet of the Sorcerers^{[Needs Citation]}	Daemon World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Plutol^{[Needs Citation]}			Abaddon had a majority of the population killed when Priests of a wilderness shrine refused to bow to his authority.^{[Needs Citation]}
Pluvioris^{[Needs Citation]}	Daemon World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Porphetus^{[Needs Citation]}	Dead World^{[Needs Citation]}		Former Forge World destroyed by Tyranids.^{[Needs Citation]}
Port Sanctus^{[Needs Citation]}	Fortress World^{[Needs Citation]}	Solar^{[Needs Citation]}	Imperial Navy base.^{[Needs Citation]}
Port Veruca^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Posul^{[Needs Citation]}	Destroyed — former Adeptus Astartes Homeworld / Feral World^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Former home of the Mortifactors.^{[Needs Citation]}
Praesidia^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Homeworld of the Sons of Guilliman Space Marine Chapter.^{[Needs Citation]}
Praetoria^{[Needs Citation]}	Hive World^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Home to the Praetorian Guard Imperial Guard Regiments.^{[Needs Citation]}
Pranagar^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Home of Sky Sentinels.^{[Needs Citation]}
Prandium^{[Needs Citation]}	Dead World^{[Needs Citation]}	Ultima.^{[Needs Citation]}
Praedis Zeta^{[Needs Citation]}	Hive World/Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home to the Imperial Reavers.^{[Needs Citation]}
Preyspire^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of the Hawk Lords.^{[Needs Citation]}
Prism^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	"records deleted"^{[Needs Citation]}
Prixetti VII^{[Needs Citation]}
Prol IX^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Prospero^{[Needs Citation]}	Destroyed — former Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Former home of the Thousand Sons.^{[Needs Citation]}
Protasia^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Declared independence from the Imperium.^{[Needs Citation]}
Protheus^{[Needs Citation]}		Obscurus^{[Needs Citation]}	The planet had billions of its population turned into Plaguebearers by Typhus, the Herald of Nurgle.^{[Needs Citation]}
Purgatory^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Pylar^{[Needs Citation]}	Ice World^{[Needs Citation]}	Segmentum Obscurus^{[Needs Citation]}	Belongs to Vyr Modren Rogue Trader (see also Modren's Realm).^{[Needs Citation]}
Pyran^{[Needs Citation]}	Civilised World^{[Needs Citation]}	Solar^{[Needs Citation]}	Home to the Pyran Dragoons Imperial Guard.^{[Needs Citation]}
Pyrites^{[Needs Citation]}	Civilised World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Pyrrhia^{[Needs Citation]}	Tomb World^{[Needs Citation]}

Q

Planet Name	Planet Type	Segmentum	Notes
Quaddis^{[Needs Citation]}	Paradise World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Quatara-Prime^{[Needs Citation]}	Desert World^{[Needs Citation]}
Quatra^{[Needs Citation]}	Desert World^{[Needs Citation]}
Quintarn^{[Needs Citation]}	Agri World^{[Needs Citation]}	Ultima^{[Needs Citation]}	One of the nine worlds of Ultramar.^{[Needs Citation]}
Queh-quih^{[Needs Citation]}	Sept World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Kroot Sept World of the Tau Empire.^{[Needs Citation]}
Quintus^{[Needs Citation]}	Industrial World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Qulus Trine^{[Needs Citation]}	Imperial World^{[Needs Citation]}

R

Planet Name	Planet Type	Segmentum	Notes
Radnar^{[Needs Citation]}	Dead World (former Forge World)^{[Needs Citation]}	Ultima^{[Needs Citation]}	Was consumed by Hive Fleet Kraken.^{[Needs Citation]}
Raikan^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Home of the Red Talons.^{[Needs Citation]}
Ral'eth^{[Needs Citation]}	Unknown, former Tau^{[Needs Citation]}	Ultima^{[Needs Citation]}
Rana^{[Needs Citation]}	Jungle World^{[Needs Citation]}
Rand XXI^{[Needs Citation]}	Desert World^{[Needs Citation]}		Held by the Adepta Sororitas.^{[Needs Citation]}
Rann^{[Needs Citation]}	Sept World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Raxos^{[Needs Citation]}	Hive World^{[Needs Citation]}
Rayvenscrag IV^{[Needs Citation]}
Regulus^{[Needs Citation]}	Agri World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Reth^{[Needs Citation]}	Paradise World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Reznor^{[Needs Citation]}	Uninhabited World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Rhanda^{[Needs Citation]}	Civilised World^{[Needs Citation]}	Solar^{[Needs Citation]}
Rhodus^{[Needs Citation]}
Rhorsch^{[Needs Citation]}	Jungle World/Shrine World^{[Needs Citation]}		Was invaded by the Blood Cults but saved by the Mortifactors and Raven Guard.^{[Needs Citation]}
Ritzos^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Rovanat IV^{[Needs Citation]}
Rygar^{[Needs Citation]}
Rylan^{[Needs Citation]}			Site of The Dawn Hammer battle in 766.M37.^{[Needs Citation]}
Rynn's World^{[Needs Citation]}	Adeptus Astartes Homeworld / Agri World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home of the Crimson Fists.^{[Needs Citation]}
Ryza^{[Needs Citation]}	Forge World^{[Needs Citation]}	Ultima^{[Needs Citation]}

S

Planet Name	Planet Type	Segmentum	Notes
Sa'cea^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Sabatine^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Pacificus^{[Needs Citation]}	Home of the White Consuls.^{[Needs Citation]}
Sable^{[Needs Citation]}
Sacris^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Segmentum Obscurus^{[Needs Citation]}	Homeworld of the Storm Wardens Chapter.^{[Needs Citation]}
Saganor^{[Needs Citation]}	Forbidden World^{[Needs Citation]}
St. Astrid's Fall^{[Needs Citation]}	Frontier World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Saint Marduk's Bane^{[Needs Citation]}	Dead World (Formerly Hive World)^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Previously known as Colkasth.^{[Needs Citation]}
Salem^{[Needs Citation]}	Dead World^{[Needs Citation]}	Ultima Segmentum^{[Needs Citation]}
Salem Proctor^{[Needs Citation]}	Cardinal World^{[Needs Citation]}		Site of the Salem Proctor Rebellion.^{[Needs Citation]}
Sallan's World^{[Needs Citation]}	Ice World^{[Needs Citation]}		Site of the Sallan's World Campaign.^{[Needs Citation]}
Salomine^{[Needs Citation]}	Tau Colony^{[Needs Citation]}	Ultima^{[Needs Citation]}
Sameter^{[Needs Citation]}	Civilised World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Samax IV^{[Needs Citation]}	Agri World^{[Needs Citation]}
Samech^{[Needs Citation]}	Chaos Forge World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Samson IV^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
San Guisaga^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}		Homeworld of the Blood Drinkers Chapter.^{[Needs Citation]}
San Leor^{[Needs Citation]}	Agri World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Sancour^{[Needs Citation]}		Obscurus^{[Needs Citation]}
Sanctum^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Solar^{[Needs Citation]}	Home of White Templars^{[Needs Citation]}
Sanctus Lys^{[Needs Citation]}	Shrine World^{[Needs Citation]}
Sans Gaviria^{[Needs Citation]}	Death World^{[Needs Citation]}
Saras VII^{[Needs Citation]}	Agri world^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Sarius V^{[Needs Citation]}	Shrine World^{[Needs Citation]}
Sarosel^{[Needs Citation]}
Sarkon^{[Needs Citation]}	Tomb World^{[Needs Citation]}		Center of the Empire of the Severed.^{[Needs Citation]}
Sarum^{[Needs Citation]}	Adeptus Mechanicus world^{[Needs Citation]}	Ultima^{[Needs Citation]}
Saturn^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Solar^{[Needs Citation]}	Its moon, Titan serves as the headquarters of the Ordo Malleus and Grey Knights.^{[Needs Citation]}
Scathe^{[Needs Citation]}	Civilized World^{[Needs Citation]}	Segmentum Obscurus^{[Needs Citation]}	The third planet of Modren’s Realm.^{[Needs Citation]}
Scelus^{[Needs Citation]}	Feral World, former Adeptus Astartes Homeworld^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Former home of the Sons of Malice.^{[Needs Citation]}
Schrodinger VII^{[Needs Citation]}	Ice World^{[Needs Citation]}		Ruled by the Necrons.^{[Needs Citation]}
Scintilla^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Scound's Fall^{[Needs Citation]}	Cardinal World^{[Needs Citation]}	Solar^{[Needs Citation]}
Secunda^{[Needs Citation]}	Desert World^{[Needs Citation]}
Seidon^{[Needs Citation]}	Tomb World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Semus^{[Needs Citation]}
Sepharis Ultra^{[Needs Citation]}
Sepheris Secundus^{[Needs Citation]}	Feudal World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Septimus Moore^{[Needs Citation]}	Necron Tomb World^{[Needs Citation]}
Settlement 228^{[Needs Citation]}	Frontier World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Sha'draig^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Shadoworld of Adun^{[Needs Citation]}
Shardenus^{[Needs Citation]}	Hive World^{[Needs Citation]}	Contqual subsector^{[Needs Citation]}	Purged of Chaos influence by the Iron Hands in 812.M41.^{[Needs Citation]}
Sharlor^{[Needs Citation]}	Agri World^{[Needs Citation]}		Site where the Penumbral Cult was destroyed by the Black Templars Chapter.^{[Needs Citation]}
Shenlong^{[Needs Citation]}	Forge World^{[Needs Citation]}
Shemnoch^{[Needs Citation]}	Former Tomb World^{[Needs Citation]}		Iron Hands and Brazen Claws Chapters defeated Shemnoch's Necron Dynasty.^{[Needs Citation]}
Sicarus^{[Needs Citation]}	Daemon World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Siculi^{[Needs Citation]}	Agri World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Sigma-Agrius^{[Needs Citation]}	Agri World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Silence^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Obscurus	Home of the Night Watch.^{[Needs Citation]}
Simia Orichalcae^{[Needs Citation]}	Ice World, Mining World, Tomb World^{[Needs Citation]}
Sinophia^{[Needs Citation]}	Frontier World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Sisk^{[Needs Citation]}	Feudal World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Sixty-Three-Nineteen^{[Needs Citation]}	Civilised World^{[Needs Citation]}
Skardenfel^{[Needs Citation]}
Skeros^{[Needs Citation]}
Skorgulian^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Sleef^{[Needs Citation]}	Dead World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Smelter's Heap^{[Needs Citation]}	Mining World^{[Needs Citation]}
Solemnace^{[Needs Citation]}	Tomb World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Home to Trazyn the Infinite.^{[Needs Citation]}
Solemnus^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}		Black Templars (former)^{[Needs Citation]}
Solshen XIX^{[Needs Citation]}	Agri World^{[Needs Citation]}	Solar^{[Needs Citation]}
Solstice^{[Needs Citation]}	Feudal World^{[Needs Citation]}	Tempestus^{[Needs Citation]}
Somonor^{[Needs Citation]}	Tomb World^{[Needs Citation]}		Part of the Sautekh Dynasty.^{[Needs Citation]}
Sondheim V^{[Needs Citation]}	formerly Agri World^{[Needs Citation]}		Transformed by M'kar the Reborn into his own Daemon World. Subjected to Exterminatus by the Sky Sentinels Chapter.^{[Needs Citation]}
Sophano Prime^{[Needs Citation]}	Mining World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Soprony^{[Needs Citation]}	Xenos World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Soryth^{[Needs Citation]}	Mining World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Sotha^{[Needs Citation]}	Former Civilised World, Adeptus Astartes Homeworld, now Dead World^{[Needs Citation]}	Ultima Segmentum^{[Needs Citation]}	Former homeworld of the Scythes of the Emperor Chapter.^{[Needs Citation]}
Sparme^{[Needs Citation]}
Spectoris^{[Needs Citation]}	Agri World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
St. Guise^{[Needs Citation]}	Cardinal World^{[Needs Citation]}
St. Salvus Dock^{[Needs Citation]}
Stalinvast^{[Needs Citation]}	Dead World^{[Needs Citation]}
Sternac^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	"Beyond Imperial boundaries"^{[Needs Citation]}	Home of the Iron Lords.^{[Needs Citation]}
Stonekraal^{[Needs Citation]}	Frontier World^{[Needs Citation]}	Ultima Segmentum^{[Needs Citation]}
Strank^{[Needs Citation]}	Feral World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Stygia-Aquilon^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Homeworld of the Executioners Space Marine Chapter.^{[Needs Citation]}
Stygia XII^{[Needs Citation]}	Forge World^{[Needs Citation]}
Stygian Prime^{[Needs Citation]}	Agri World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Stygies VIII^{[Needs Citation]}	Forge World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Subiaco Diablo^{[Needs Citation]}	Dead World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Sulo^{[Needs Citation]}	Frontier World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Sulyvan^{[Needs Citation]}	Daemon World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Former Agri World corrupted by the Chaos Space Marine Kyrus the Chantleader.^{[Needs Citation]}
Suranas^{[Needs Citation]}	Tomb World^{[Needs Citation]}
Surealis VI^{[Needs Citation]}	Civilised World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Surtur^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Sycorax^{[Needs Citation]}	Death World^{[Needs Citation]}
Sylphis II^{[Needs Citation]}
Symeon^{[Needs Citation]}	Chaos Recruiting World^{[Needs Citation]}
Synford^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Syrinx^{[Needs Citation]}

T

Planet Name	Planet Type	Segmentum	Notes
Tahnel^{[Needs Citation]}	Civilised World / Ocean World^{[Needs Citation]}	Solar^{[Needs Citation]}
Taeloth^{[Needs Citation]}	Uninhabited world^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Talasa Prime	Adeptus Astartes Homeworld / Ordo Xenos World	Ultima	Inquisitorial Fortress+Deathwatch HQ
Talassar^{[Needs Citation]}	Civilised World / Ocean World^{[Needs Citation]}	Ultima^{[Needs Citation]}	One of the nine worlds of Ultramar.^{[Needs Citation]}
Talithia^{[Needs Citation]}	Maiden World^{[Needs Citation]}		Former site of a colony of the Imperium, until the population was killed by the Eldar.^{[Needs Citation]}
Tallarn^{[Needs Citation]}	Civilised World / Desert World^{[Needs Citation]}	Tempestus^{[Needs Citation]}
Talon^{[Needs Citation]}	Adeptus Astartes Homeworld (abandoned)^{[Needs Citation]}	Ultima^{[Needs Citation]}	Former home of the Storm Falcons.^{[Needs Citation]}
Talus IV^{[Needs Citation]}	Adeptus Astartes Homeworld (abandoned)^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Former home of the Brazen Claws.^{[Needs Citation]}
Tan^{[Needs Citation]}	Dead World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Scoured by Hive Fleet Kraken.^{[Needs Citation]}
Tanakreg^{[Needs Citation]}	Dead World^{[Needs Citation]}
Tancred^[3a]		Segmentum Obscurus^[3a]	Known to have depot yards where Bulk clippers of the Isolde pattern come from.^[3a]
Tanis^{[Needs Citation]}	Desert World^{[Needs Citation]}		Imperial Fists recruiting world.^{[Needs Citation]}
Tanis (Hive World)^{[Needs Citation]}	Hive World^{[Needs Citation]}
Tanith^{[Needs Citation]}	Dead World^{[Needs Citation]}	Pacificus^{[Needs Citation]}	Former Hive World.^{[Needs Citation]}
Tanstar 88^{[Needs Citation]}	Frontier World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Taran III^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}		Homeworld of the Storm Warriors Chapter.^{[Needs Citation]}
Tarentus^{[Needs Citation]}	Agri World^{[Needs Citation]}	Ultima^{[Needs Citation]}	One of the nine worlds of Ultramar.^{[Needs Citation]}
Targus VIII^{[Needs Citation]}	Hive World^{[Needs Citation]}
Tarrenthorst^{[Needs Citation]}
Tarsis Ultra^{[Needs Citation]}	Agri World / Dead World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Destroyed by the Iron Warriors.^{[Needs Citation]}
Tartarus^{[Needs Citation]}	Dead World^{[Needs Citation]}
Tash'var^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Taslan's Forge^{[Needs Citation]}	Forge World^{[Needs Citation]}
Tassilon^{[Needs Citation]}
T'au^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}	Capital of the Tau Empire.^{[Needs Citation]}
Taygeta^{[Needs Citation]}	Jungle World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Near the Eye of Terror.^{[Needs Citation]}
Tekarn^{[Needs Citation]}	Imperial World^{[Needs Citation]}
Telemachus^{[Needs Citation]}	Forge World^{[Needs Citation]}
Tellerax Prime^{[Needs Citation]}
Temaxia^{[Needs Citation]}	Forge World^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Destroyed by Orks in M32.^{[Needs Citation]}
Temperis^{[Needs Citation]}	Hive World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Temportus^{[Needs Citation]}			Site of a battle between the Crimson Fists Chapter and Ork Freebooters.^{[Needs Citation]}
Tephaine Minor^{[Needs Citation]}	Agri World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Terion^{[Needs Citation]}	Paradise World^{[Needs Citation]}		Site of a battle between the Blood Angels and the Night Lords and the Brotherhood of Darkness.^{[Needs Citation]}
Terra^{[Needs Citation]}	Hive World^{[Needs Citation]}	Solar^{[Needs Citation]}	Center of the Imperium of Mankind^{[Needs Citation]}
Terrax^{[Needs Citation]}	Imperial World^{[Needs Citation]}		Home to the Terrax Guard Imperial Guard.^{[Needs Citation]}
Tertius^{[Needs Citation]}
Teruxyne^{[Needs Citation]}	Quarantined World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Stricken with the Sinners’ Plague disease.^{[Needs Citation]}
Tethris^{[Needs Citation]}	Dead World^{[Needs Citation]}		Subjected to Exterminatus.^{[Needs Citation]}
Thain^{[Needs Citation]}
Thain II^{[Needs Citation]}
Thanatos^{[Needs Citation]}	Tomb World^{[Needs Citation]}		Part of the Oruscar Dynasty.^{[Needs Citation]}
Thantus X^{[Needs Citation]}	Ork World^{[Needs Citation]}		Former Imperial world.^{[Needs Citation]}
Thargorum^{[Needs Citation]}	Desert World^{[Needs Citation]}	Tempestus^{[Needs Citation]}
Theron^{[Needs Citation]}			Gas giant.^{[Needs Citation]}
Thranx^{[Needs Citation]}	Dead World^{[Needs Citation]}	Solar^{[Needs Citation]}	Former Hive World. Virus bombed.^{[Needs Citation]}
Threnos^{[Needs Citation]}	Dead World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Thical^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Thoth^{[Needs Citation]}	Desert World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Thracian Primaris^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Thridia^{[Needs Citation]}	Hive World/Tomb World^{[Needs Citation]}
Thruscas Sine^{[Needs Citation]}	Human World^{[Needs Citation]}
Tigrus^{[Needs Citation]}	Forge World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Overrun by Orks in M35, now Ork World.^{[Needs Citation]}
Toil^{[Needs Citation]}	Forge World^{[Needs Citation]}		Destroyed by Perturabo.^{[Needs Citation]}
Tolkhan^{[Needs Citation]}	Forge World^{[Needs Citation]}	Tempestus^{[Needs Citation]}
T'olku^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Torhaven^{[Needs Citation]}	War World^{[Needs Citation]}
Torian^{[Needs Citation]}	Agri World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Torison VII^{[Needs Citation]}
Toreus^{[Needs Citation]}	Dead World^{[Needs Citation]}
Torvendis^{[Needs Citation]}	Daemon World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Traekonnis Major^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Homeworld of the Avenging Sons Space Marine Chapter.^{[Needs Citation]}
Trakonn^{[Needs Citation]}	Tomb World^{[Needs Citation]}		Crownworld of the Dyvanakh Dynasty.^{[Needs Citation]}
Tranch^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Tranquility II^{[Needs Citation]}	Feudal World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Tranquility-III^{[Needs Citation]}	Desert World^{[Needs Citation]}		Homeworld of Ahazra Redth, the Chief Librarian of the Mantis Warriors.^{[Needs Citation]}
Translock^{[Needs Citation]}		Ultima^{[Needs Citation]}
Trantis^{[Needs Citation]}	Tomb World^{[Needs Citation]}
Treconandal^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Trepytos^{[Needs Citation]}	Civilised World^{[Needs Citation]}	Solar^{[Needs Citation]}
Triandr^{[Needs Citation]}	Feudal World^{[Needs Citation]}
Triplex Phall^{[Needs Citation]}	Forge World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Trontium VI^{[Needs Citation]}
Trontiux III^{[Needs Citation]}	Imperial Recruiting World^{[Needs Citation]}
T'ros^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}	Site of the Taros Campaign.^{[Needs Citation]}
Troudor^{[Needs Citation]}	^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Tsade II^{[Needs Citation]}	Agri World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Calixis Sector^{[Needs Citation]}
Tsan Domus^{[Needs Citation]}		Ultima^{[Needs Citation]}
Turren Primus^{[Needs Citation]}	Hive World^{[Needs Citation]}
Tusk^{[Needs Citation]}	Ork World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Tygress I^{[Needs Citation]}	Frontier World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Tygress II^{[Needs Citation]}	Frontier World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Tygress III^{[Needs Citation]}	Feral World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Tygress IV^{[Needs Citation]}	Dead World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Tygress V^{[Needs Citation]}	Feral World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Typhon Primaris^{[Needs Citation]}	Feral World^{[Needs Citation]}	^{[Needs Citation]}
Tyran^{[Needs Citation]}	Dead World^{[Needs Citation]}	Eastern Fringe^{[Needs Citation]}
Tyrama Secundus^{[Needs Citation]}	Ocean World^{[Needs Citation]}

U

Planet Name	Planet Type	Segmentum	Notes
UB-26^{[Needs Citation]}	Death World^{[Needs Citation]}
Uldan^{[Needs Citation]}	Mining World^{[Needs Citation]}
Ultra Maximus^{[Needs Citation]}		Ultima^{[Needs Citation]}	Imperium, formerly Tau^{[Needs Citation]}
Unloth^{[Needs Citation]}	Feral World^{[Needs Citation]}
Uolesh^{[Needs Citation]}	Daemon World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Ur-Clemait^{[Needs Citation]}	Human world^{[Needs Citation]}	Ultima^{[Needs Citation]}	Ruled by the Tau Empire.^{[Needs Citation]}
Ur-Haven^[4a]			Known to have depot yards where Bulk clippers of the Isolde pattern come from.^[4a]
Uralan^{[Needs Citation]}		Obscurus^{[Needs Citation]}
Uralek Prime^{[Needs Citation]}	Exodite World^{[Needs Citation]}
Urdesh^{[Needs Citation]}	Forge World^{[Needs Citation]}	Pacificus^{[Needs Citation]}	Sabbat Worlds^{[Needs Citation]}
Urk^{[Needs Citation]}	Ork World^{[Needs Citation]}
Urus^{[Needs Citation]}		Pacificus^{[Needs Citation]}	Sabbat Worlds^{[Needs Citation]}
Uttu Prime^{[Needs Citation]}	Tomb World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Formerly Imperial.^{[Needs Citation]}

V

Planet Name	Planet Type	Segmentum	Notes
Valhalla^{[Needs Citation]}	Civilised World / Ice World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Homeworld of the Valhallan Ice Warriors Imperial Guard Regiments.^{[Needs Citation]}
Vallyx V^{[Needs Citation]}	Death World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Saved from a massive Genestealer infestation by the Knights of the Raven Chapter.^{[Needs Citation]}
Valon Urr^{[Needs Citation]}	Shrine World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Valos^{[Needs Citation]}	Dead World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Valos Krin^{[Needs Citation]}	Feral World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Vanaheim^{[Needs Citation]}	Forge World^{[Needs Citation]}
Vanqualis^{[Needs Citation]}	Hive World^{[Needs Citation]}
Vardan^{[Needs Citation]}	Imperial World^{[Needs Citation]}		Homeworld to the Vardan Rifles Imperial Guard.^{[Needs Citation]}
Varestus Prime^{[Needs Citation]}	Death World^{[Needs Citation]}		Site of battles between the Imperial Guard and Imperial Navy against Orks.^{[Needs Citation]}
Varoli Secundus^{[Needs Citation]}	Civilised World^{[Needs Citation]}		Home world of a famous imperial tank commander Obadiah Schfeer.^{[Needs Citation]}
Varsavia^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Homeworld of the Silver Skulls.^{[Needs Citation]}
Vaust^{[Needs Citation]}	Hive World^{[Needs Citation]}	Segmentum Pacificus^{[Needs Citation]}
Vaxanide^{[Needs Citation]}	Hive World^{[Needs Citation]}	Obscurus (Calixis Sector)^{[Needs Citation]}
Va'yun^{[Needs Citation]}	Tau World^{[Needs Citation]}	Ultima/Eastern Fringe^{[Needs Citation]}
Vaznagrod^{[Needs Citation]}	Forge World^{[Needs Citation]}
Veneris^{[Needs Citation]}	Shrine World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Veonid^{[Needs Citation]}	Imperial world^{[Needs Citation]}		Used to test weaponry.^{[Needs Citation]}
Verdan II^{[Needs Citation]}	Dead World^{[Needs Citation]}		Subjected to Exterminatus.^{[Needs Citation]}
Verdant^{[Needs Citation]}	Imperial World^{[Needs Citation]}		Home to Troth Abhumans.^{[Needs Citation]}
Verdus Prime^{[Needs Citation]}	Tomb World^{[Needs Citation]}
Verghast^{[Needs Citation]}	Hive World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Verica VII^{[Needs Citation]}	Forge World^{[Needs Citation]}		Home to the Collegia Titanica Legio Sirius.^{[Needs Citation]}
Veridian^{[Needs Citation]}	Feral World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Vernalis^{[Needs Citation]}	Mining World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Veskepine^{[Needs Citation]}	Jungle World^{[Needs Citation]}		Known for its skilled hunters.^{[Needs Citation]}
Vespid^{[Needs Citation]}	Tau Empire World^{[Needs Citation]}	Ultima^{[Needs Citation]}	Homeworld of the Vespids.^{[Needs Citation]}
Vhospis^{[Needs Citation]}	Feudal World^{[Needs Citation]}
Victrix Sonora^{[Needs Citation]}	Agri World^{[Needs Citation]}	Solar^{[Needs Citation]}
Victus^{[Needs Citation]}	Dead World^{[Needs Citation]}	Segmentum Obscurus^{[Needs Citation]}	The first planet of Modren’s Realm System.^{[Needs Citation]}
Vigil^{[Needs Citation]}	Dead World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Vigilus^{[Needs Citation]}	Hive World/Sentinel World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Site of the War of Beasts.^{[Needs Citation]}
Vior'la^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Viridia^{[Needs Citation]}	Agri World^{[Needs Citation]}
Visse'el^{[Needs Citation]}	Tau Sept^{[Needs Citation]}	Ultima^{[Needs Citation]}
Vitrea Mundi^{[Needs Citation]}	Unknown / Adeptus Astartes Homeworld^{[Needs Citation]}	Ultima^{[Needs Citation]}	Homeworld of the Marines Mordant Chapter.^{[Needs Citation]}
Volonx^{[Needs Citation]}	Feral World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Volscar^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Volghast^{[Needs Citation]}
Voltemand^{[Needs Citation]}	Civilised World^{[Needs Citation]}	Pacificus^{[Needs Citation]}
Vorg Prime^{[Needs Citation]}
Vorlanthus IV^{[Needs Citation]}	Hive World^{[Needs Citation]}		Vorlanthus IV's Mirrored Spire suffered an attack by the Berzerker Khârn, who single-handedly killed 12,000 of its citizens.^{[Needs Citation]}
Vorsk^{[Needs Citation]}	Ork World^{[Needs Citation]}		Former Imperial Hive World.^{[Needs Citation]}
Voss Prime^{[Needs Citation]}	Forge World^{[Needs Citation]}	Solar^{[Needs Citation]}
Vostroya^{[Needs Citation]}	Industrial World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Home to the Vostroyan Firstborn Imperial Guard Regiments.^{[Needs Citation]}
Voth^{[Needs Citation]}
Vraks Prime^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Armoury World.^{[Needs Citation]}
Vrantis III^{[Needs Citation]}	Industrial World^{[Needs Citation]}
V'run^{[Needs Citation]}	Ork World^{[Needs Citation]}	Tempestus^{[Needs Citation]}

W

Planet Name	Planet Type	Segmentum	Notes
Wezn^{[Needs Citation]}	Ice World^{[Needs Citation]}
Winterhome IX^{[Needs Citation]}	Ice World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Woe^{[Needs Citation]}	Death World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
World of Immortal Sorrows^{[Needs Citation]}	Daemon World / Crone World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Wormgyre^{[Needs Citation]}	Xenos World^{[Needs Citation]}	Pacificus^{[Needs Citation]}	Home to the Hellgrammite.^{[Needs Citation]}

X

Planet Name	Planet Type	Segmentum	Notes
Xana II^{[Needs Citation]}	Daemon World / Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Xandros^{[Needs Citation]}	War World^{[Needs Citation]}		Site of an ongoing battle between the Ultramarines and Necrons.^{[Needs Citation]}
Xarsis Plethis^{[Needs Citation]}
Xenax^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Solar^{[Needs Citation]}	Home of Subjugators.^{[Needs Citation]}
XIII^{[Needs Citation]}	Dead World^{[Needs Citation]}
Xin-Cyn^{[Needs Citation]}	Dead World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Xit^{[Needs Citation]}	Ork World^{[Needs Citation]}	Ultima^{[Needs Citation]}

Y

Planet Name	Planet Type	Segmentum	Notes
Yarant^{[Needs Citation]}	Imperial World^{[Needs Citation]}	Solar^{[Needs Citation]}
Y'gharnak^{[Needs Citation]}	Daemon World^{[Needs Citation]}	Obscurus
Ynnen^{[Needs Citation]}	Feudal World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Yngroth^{[Needs Citation]}
Ymnar^{[Needs Citation]}
Yngirheim^{[Needs Citation]}	Ice World^{[Needs Citation]}	Ultima^{[Needs Citation]}
Yrnax^{[Needs Citation]}
Ysai Ydumee^{[Needs Citation]}	Frontier World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Yspotua^{[Needs Citation]}	Paradise World^{[Needs Citation]}
Yu'Kanesh^{[Needs Citation]}	Desert World^{[Needs Citation]}
Yulan^{[Needs Citation]}	Dead World^{[Needs Citation]}	Ultima^{[Needs Citation]}

Z

Planet Name	Planet Type	Segmentum	Notes
Zaga IV^{[Needs Citation]}		Pacificus^{[Needs Citation]}
Zaebus Minoris^{[Needs Citation]}	Adeptus Astartes Homeworld / Feral World^{[Needs Citation]}	Tempestus^{[Needs Citation]}	Home of the Red Scorpions.^{[Needs Citation]}
Zalamis^{[Needs Citation]}
Zambeque^{[Needs Citation]}		Obscurus^{[Needs Citation]}
Zantium^{[Needs Citation]}
Zantragora^{[Needs Citation]}	Tomb World^{[Needs Citation]}
Zaramund^{[Needs Citation]}
Zavamunda^{[Needs Citation]}
Zel Primus^{[Needs Citation]}		Obscurus^{[Needs Citation]}
Zel Secundus^{[Needs Citation]}	Death World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Zel Tertius^{[Needs Citation]}	Frontier World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Zephyr^{[Needs Citation]}	Adeptus Astartes Homeworld^{[Needs Citation]}	Obscurus^{[Needs Citation]}	Home of the Storm Hawks.^{[Needs Citation]}
Zhao-Arkkad^{[Needs Citation]}	Forge World^{[Needs Citation]}
Zhoros^{[Needs Citation]}	Dead World (former Adeptus Astartes Homeworld)^{[Needs Citation]}		Former home of the Fire Hawks.^{[Needs Citation]}
Zibal^{[Needs Citation]}	Desert World^{[Needs Citation]}
Zosma^{[Needs Citation]}	Forge World^{[Needs Citation]}	Obscurus^{[Needs Citation]}
Zoran^{[Needs Citation]}	Ice World^{[Needs Citation]}

Sources

Note: Only the most important source or sometimes the first source to mention the planet is given. For a full list of sources consult the respective articles.

1: Titan Legions (Epic), The Fires of Gehenna scenarios booklet, pgs. 2-3
2: Imperial Armour - Imperial Vehicles for Warhammer 40,000, pg. 62
3: The Inquisition (Background Book):
- 3a: pg. 83
4: Eisenhorn (Novel Series):
- 4a: Xenos (Novel), Chapter Six

Planets (List)

0-9

A

B

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D

E

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G

H

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J

K

L

M

N

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P

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R

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T

U

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X

Y

Z

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