Answer
Mass (1024 kg) 4.8675 5.9724 0.815
Volume (1010 km3) 92.843 108.321 0.857
Equatorial radius (km) 6051.8 6378.1 0.949
Polar radius (km) 6051.8 6356.8 0.952
Volumetric mean radius (km) 6051.8 6371.0 0.950
Ellipticity (Flattening) 0.000 0.00335 0.0
Mean density (kg/m3) 5243 5514 0.951
Surface gravity (eq.) (m/s2) 8.87 9.80 0.905
Surface acceleration (eq.) (m/s2) 8.87 9.78 0.907
Escape velocity (km/s) 10.36 11.19 0.926
GM (x 106 km3/s2) 0.32486 0.39860 0.815
Bond albedo 0.77 0.306 2.52
Geometric albedo 0.689 0.434 1.59
V-band magnitude V(1,0) -4.38 -3.99 -
Solar irradiance (W/m2) 2601.3 1361.0 1.911
Black-body temperature (K) 226.6 254.0 0.892
Topographic range (km) 13 20 0.650
Moment of inertia (I/MR2) 0.33 0.3308 0.998
J2 (x 10-6) 4.458 1082.63 0.004
Number of natural satellites 0 1
Planetary ring system No No
