Geophysical Data for the Earth and Moon

All information is rewritten from NSSDC, National Space Science Data Center.

Bulk parameters

	Moon	Earth
Mass (1024 kg)	0.07349	5.9736
Volume (1010 km3 )	2.1973	108.321
Equatorial radius (km)	1738	6378
Polar radius (km)	1735	6356
Volumetric mean radius (km)	1737.5	6371
Ellipticity	0.002	0.0034
Mean density (kg/m3 )	3340	5520
Surface gravity (m/s2 )	1.62	9.78
Escape velocity (km/s)	2.38	11.2
GM (x 106 km3 /s2 )	0.0049	0.3986
Bond albedo	0.067	0.385
Visual geometric albedo	0.12	0.367
Visual magnitude V(1,0)	+0.21	-3.86
Solar irradiance (w/m2 )	1380	1380
Black-body temperature (K)	274.5	247.3
Topographic range (km)	25	20
Moment of inertia (I/MR2 )	0.394	0.3308

Orbital parameters (for orbit about the Earth)

	Moon
Semimajor axis (106 km)	0.3844
Perigee (106 km)	0.3633
Apogee (106 km)	0.4055
Revolution period (days)	27.322
Synodic period (days)	29.53
Mean orbital velocity (km/s)	1.023
Orbital inclination (deg)	5.145
Sidereal rotation period (hrs)	655.728
Equatorial inclination (deg)	6.68

-- Marvin Ostrega