Since distance is rather important, division based on Voronoi cells seems appropriate. Perhaps with modified metrics/topology based on "jump points" or whatever. This however won't give you equal volume cells without some modifications.


Use a set of spheres-of-influence around points of interest, rather than a single sliced sphere This suggestion challenges the OP concept of dividing the entire sphere into sectors, offering an alternative which can be explained using in-game logic and is comparable to the way real life international law treats territories, territorial waters and ...

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