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lightYearsreadonly
Radius of the star survey. Loaded systems are always listed regardless — flying four light years and having the place you came from drop out of the list is how you get stranded with no way back.
originreadonly
Whose "here" the listing is centered on and sorted by. Default player.
The two are the same thing in a flight mode and are not remotely the same
thing in the planetarium, where the whole verb is look — the camera goes
to Alpha Centauri and the ship does not. Centered on the player, the
catalog there listed Sol's bodies first and reported Alpha Centauri at
4.4 light years while it filled the frame, which is a listing describing
somewhere the reader is not.
It is a survey origin as well as a sort key: systemsWithin sweeps around
this point, so the observer's neighbors are the ones offered.