from calcephpy import *

jd0=2451419
dt=0.5E0

peph = CalcephBin.open("example2_rotangmom.dat")

G = peph.rotangmom_order(jd0, dt, NaifId.EARTH,
                      Constants.USE_NAIFID+Constants.UNIT_SEC, 0)
print(G)

peph.close()