Ultima Segmentum
53 records · 50 planets · 2 moons · 1 station
What the archive holds here
8 dead worlds · 7 temperate worlds · 6 fortress worlds · 5 desert worlds · 5 forge worlds · 4 agri worlds · 4 death worlds · 3 feral worlds · 3 shrine worlds · 2 daemon worlds · 2 hive worlds · 2 ocean worlds · 1 ice world · 1 station
Present by era: 26 The Horus Heresy · 14 Age of the Imperium · 51 The 41st Millennium · 44 Era Indomitus
Warp features inside this boundary: The Maelstrom · The Hadex Anomaly
Cartographer's note
By far the largest segmentum: everything east of Solar, containing the galactic core, the Maelstrom, Ultramar and the vast Eastern Fringe.
Records
I · Prime records (8)
- Blood Angels homeworld
- Subterranean world; the Underworld War
- Death world; jungle
- Dead world; interdicted
- Dead world; interdicted
- Capital of Ultramar
- Salamanders homeworld
- Dead world
II · Major records (17)
- Homeworld of Fulgrim and the III Legion
- White Scars homeworld
- Dead world
- Garden of Ultramar
- Hive world; broke Hive Fleet Kraken
- Knight world; the Emperor's hidden warp gate
- Destroyed
- Dead world
- Homeworld of Perturabo and the IV Legion; put down by its own Legion
- Crimson Fists homeworld
- Forge world under permanent siege
- Quarantined world
- Crownworld and gallery
- The Planet of the Sorcerers
- Consumed; a dead world stripped to the rock
- Ocean world of Ultramar
- Deathwatch watch fortress
III · Minor records (28)
- Tidally locked civilised world
- Feral ocean world
- T'au desert world, and the making of a commander
- Ultramar's war school
- Blood Angels recruiting moon
- Ork war; the White Scars' long detour
- T'au sept world across the Gulf
- Necron tomb world
- Forge world; siege engines for Terra
- Cardinal world of Ultramar
- Contested agri world on the T'au frontier
- Storm-wracked, and being eaten
- Agri world; staging point for the Nemesis assassins
- Compliance of the Laer; where the III Legion turned
- The Hollow Worlds
- Ultramar's training world
- Industrial and mining world; tomb world beneath
- Sparsely inhabited plateau world
- Civilised world
- Salamanders fortress-monastery
- Death world
- Industrial world, and a daemon prince's fief
- Fortress-convent, and the first Necron contact
- Frontier world of Ultramar
- Agri world; broken by Hive Fleet Leviathan
- Carrion world
- Ice world, and a recruiting ground
- Last shrine world of the Golden Chain still holding
Elsewhere