Kilian system: fourteen planets and the military heart of the Empire

Kilian’s economy is military-industrial. It is full of barracks, training grounds and shipyards, with Navy headquarters on MacArthur (Kilian V) and Marine headquarters on Corin (Kilian IX). It is one of the most important and safest systems in the UEE.

🪪 The system at a glance

🪐 Its worlds, from the star outwards

Kilian I · First Sister (puffy planet)

First Sister, a hot Jupiter, the first of the “Three Sisters” sharing one orbit. Off limits: the Navy tests its weapons there.

Kilian II · Second Sister (protoplanet)

Second Sister, a protoplanet at Kilian I’s L4 Lagrange point. Off limits (Navy weapons testing).

Kilian III · Third Sister (protoplanet)

Third Sister, a protoplanet at Kilian I’s L5 point. Off limits (Navy weapons testing).

Kilian IV · Magma (lava planet)

Magma, a lava planet full of volcanic ranges: plenty of resources, but its unstable surface makes mining dangerous.

Kilian V · MacArthur (rocky planet)

MacArthur, entirely military, houses Navy headquarters and the largest population of starmen in the Empire.
👥 inhabited

Kilian VI · Osha (super-Earth)

Osha, a temperate world populated mostly by civilians tied to the MacArthur naval base through work or family.
👥 inhabited

Kilian VII · Keene (rocky planet)

Keene, where companies eager to work with the Navy set up offices and factories.
👥 inhabited

Kilian VIII (ocean planet)

An extremely toxic ocean planet, hostile to human life.

Kilian IX · Corin (ice planet)

Corin, an ice world housing Marine headquarters: one of the most heavily guarded planets in the Empire.
👥 inhabited

Kilian X (dwarf planet)

A mineral-rich dwarf planet left untouched due to a court battle over its rights, ongoing since 2941.

Kilian XI (gas giant)

A gas giant ringed by automated harvesting platforms.

Kilian XII (ice planet)

A lifeless ice planet.

Kilian XIII (dwarf planet)

A dwarf planet with a striking surface resembling smoky quartz.

Kilian XIV (dwarf planet)

A small rocky planetoid.

🧭 Jump points to

Ellis · Davien · Cathcart

📚 Every system and its worlds (contents)

Official data: Roberts Space Industries Starmap (checked 19 October 2026), text rewritten by Beacon Mag. Orbital map: Beacon Mag, based on that data (planets in their real order around the star, spaced out for readability). Star Citizen® is a registered trademark of Cloud Imperium Rights LLC.