There are 4 unique codex entries in the Locations section on Ilum. 3 are accessible to all players regardless of class or faction and 1 is unobtainable.
Fort Salvo is obtained near a proximity map trigger.
Coordinates: -103, -30 | -106, -113
Codex type: Locations | Faction: Both | Class: All
Associated Achievement: None
Fray Landing Memorial is obtained from interacting with a Clickable Plaque.
Codex type: Locations | Faction: Both | Class: All
Associated Achievement: None
Ilum Landing Zone is unobtainable.
Codex type: Locations | Faction: Both | Class: All
Associated Achievement: None
The Ilum Temple | Coordinates: 752, -177 | Location: Ilum: Eastern Ice Shelf
The Ilum Temple is obtained near a proximity map trigger.
Codex type: Locations | Faction: Both | Class: All
Associated Achievement: None