jd12_from_jd#

spacekernel.time.jd12_from_jd(ndarray jd) ndarray#

Split a Julian Date into its two‐part representation.

This ensures high‐precision date handling by separating into a large constant part and a small fractional part.

Parameters:
jdndarray of float, shape (N,)

Julian Date values to split.

Returns:
jd12ndarray of float, shape (N, 2)

Two‐part Julian Date array [jd1, jd2] for each input, where jd1 is the integer day part and jd2 the fractional day.