gcrf_to_teme

ssapy.utils.gcrf_to_teme(t)[source][source]

Return the rotation matrix that converts GCRS cartesian coordinates to TEME cartesian coordinates.

Parameters:

t (float or astropy.time.Time) – If float or array of float, then should correspond to GPS seconds; i.e., seconds since 1980-01-06 00:00:00 UTC

Returns:

rot – Rotation matrix to apply to GCRS to yield TEME.

Return type:

array (3,3)