World · Segmentum Solar

Pluto

Fig. 1 · Location on the map

Pluto is the most distant fortified body of the Solar System; its moons (Charon, Cerberus, Hydra, Nix, Styx) bore defensive fortresses and the astropathic station Hydra. The outer gate of Sol and the first major battlefield of the Solar War.

Category: World
Location: Segmentum Solar
Significance on the map: 3 of 5
Place confidence: Place reliable
Events: 2 events

Place on the map

Grounds for placing the system exactly here on the map:

«Pluto is the outermost fortified body of the Sol System» — Atlas compilation · source check 2026
Battle of Pluto (Alpharius slain by Dorn; later Aximand vs Sigismund)

Events in the system

First Battle of Pluto 010.M31 · Loyalist victory
Battle of Pluto · the Khthonic Gate 014.M31 · Traitor victory

Legions

Legions named in the system’s events:

Factions

Named among the sides of the system’s events:

Imperial Army 2 events

Characters

Linked to the system’s events:

Sigismund Champion · Legion VII · 2 events
Rogal Dorn Primarch · Legion VII · 1 event
Alpharius and Omegon Primarch · Legion XX · 1 event
Fafnir Rann Champion · Legion VII · 1 event
Archamus Champion · Legion VII · 1 event
Horus Aximand / “Little Horus” Champion · Legion XVI · 1 event

Sources

Lexicanum: Battle of Pluto
WH40k Fandom: Battle of Pluto
Atlas compilation · source check 2026

Open in the atlas

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