|Map||Basic Data||Lunar Image|
|Class:||Adeptus Astartes Homeworld|
|Tithe Grade:||Aptus Non|
Located in the Badab Sector, it was given to the Chapter by the Adeptus Terra in the aftermath of the Badab War. The Star Phantoms' previous homeworld of Haakonath was destroyed by Hrud in early M41. Jahga's Fortress-Monastery is the Memento Mori, a scuttled Battle Barge.