System
J204221
Every moon in J204221 and the planet it belongs to.
System
Gates lead to
Where you can jump from here.
No gates - this system is a dead end.
Contents
Moons matter for two things: they hold the moon mining beacons in null security space, and they are where most stations and player structures are anchored. What a moon contains is not published by the game API - only its name and position are.