Go to the save folder for the world and look for the Config.xml inside of the Storage folder (...\Roaming\SpaceEngineers\Saves\<SteamId>\<SaveGameName>\Storage\3326723404.sbm_RealSolarSystems\Config.xml).


<EditorAllowed> Default = true
If true, allows for the Editor to be opened via console command ("/TSE").

<DisableAsteroidsInProxySpace> Default = true
If true, procedural asteroids will not appear when you are in proxy space (i.e. not near any celestial body).

<EnablePlanetGPS> Default = true
If true, a GPS marker with the name of the celestial body will be created when you enter its zone.

<EnableOrbitLines> Default = true
If true, players can toggle showing the orbit lines of celestial bodies by pressing Alt+O.



These values define the hierarchy and placement of all solar systems. You can look at or edit these values directly, but it's generally easier to edit them through the in-game editor.