MoonPosition

class ssapy.body.MoonPosition[source][source]

Bases: _KernelBacked

Position of moon in GCRF. This is a callable class that returns the position vector at a given time.

Uses the planetary ephemeris selected with ssapy.ephemeris.set_planetary_ephemeris (DE440 by default), switching to a longer kernel for epochs outside the shipped one.

Methods Summary

__call__(t)

Return the position vector at time t.

Methods Documentation

__call__(t)[source][source]

Return the position vector at time t.

Parameters:: t (float) – Time in GPS seconds.
Returns:: pos – Position vector at time t in meters.
Return type:: numpy.ndarray