API Question Uniform access to information on celestial bodies

Wishbone

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As of now, there's no easy way to determine from OAPI:

Planetary precession period, and all related data, for an arbitrary point in the future;
The pecking order in the solar system (who orbits whom);
Global state vectors of any celestial body at any point in time (there are painfully unclear methods like clbkEphemeris (barycentre computations are source of much of that pain) and nothing explicit for other types of bodies, one has to use things like KOST).

There are hacks around all this stuff, but they take a lot of debugging. Orbiter already has that information, would be great if it could be given to developers.
 
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