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Planets (List)

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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

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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]

See also

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.