MoonΒΆ
The parameters of the Lunar spheroid were obtained from [Wieczorek2015]:
>>> from boule import MOON
>>> print(MOON)
Sphere(name='MOON', ...)
>>> # Flattening (Note the Moon is a sphere)
>>> print("{:.5f}".format(MOON.flattening))
0.00000
>>> # Radius
>>> print("{:.0f}".format(MOON.semimajor_axis))
1737151
>>> # Geocentric gravitational constant (GM)
>>> print("{:.7e}".format(MOON.geocentric_grav_const))
4.9028001e+12
>>> # Angular velocity
>>> print("{:.7e}".format(MOON.angular_velocity))
2.6617073e-06