This archive tracks four layers. A record present in 1 of them (IND) is silent in the rest, and says so.
The Horus HeresyM30–M31
[RECORD LOST]
No record for this location in The Horus Heresy.
Age of the ImperiumM32–M40
[RECORD LOST]
No record for this location in Age of the Imperium.
The 41st Millenniumpre-Rift
[RECORD LOST]
No record for this location in The 41st Millennium.
Era Indomituspost-Rift
imperiumImperium Sanctus
Cult-riddled world within the Solar walls
A mining and manufacturing world close enough to Terra that the cult growing inside it is a siege of the Throne by other means. The Imperial Fists garrison here was killed to a man before anyone understood what they were fighting.
Position
Map frame: 270, 486 in the archive's 0–1000 disk space (core at 500, 500).
Distance from the core: 230 units ≈ 24.5k light years, west of the galactic core.
Height above the disk plane: 8.2 units — invented thin-disk jitter, deterministic per record. No published source gives any location a z coordinate.
System: Ghyre System
Books set here
1 title in the reading tracker touches this record, 1 of them as a primary location. Titles link out to the tracker.
Every fact in this record, and where it came from. Editorial derivations say so.
segmentummedium
wh40k.lexicanum.com/wiki/Fist_of_the_Imperium_(Novel ) §Cover Description — 'Deep within the Segmentum Solar, an Imperial Fists Honour Guard lies slaughtered upon the very world they swore to protect … Ghyre's doom … upon the very doorstep of Terra'. The SEGMENTUM is published, in the book's own description; no wiki article places the world
gposlow
inferred: the segmentum is stated and nothing finer is. Placed inside the Solar block on the Terra-facing side, because the description's whole point is proximity to Terra. Region-level and no better