Moon
Statistics
Mass (kg)
7.349e+22
Mass (Earth = 1)
1.2298e-02
Equatorial radius (km)
1,737.4
Equatorial radius (Earth = 1)
2.7241e-01
Mean density (gm/cm^3)
3.34
Mean distance from Earth (km)
384,400
Rotational period (days)
27.32166
Orbital period (days)
27.32166
Average length of lunar day (days) 29.53059
Mean orbital velocity (km/sec)
1.03
Orbital eccentricity
0.0549
Tilt of axis (degrees)
1.5424
Orbital inclination (degrees)
5.1454
Equatorial surface gravity (m/sec^2) 1.62
Equatorial escape velocity (km/sec) 2.38
Visual geometric albedo
0.12
Magnitude (Vo)
-12.74
Mean surface temperature (day)
107°C
Mean surface temperature (night)
-153°C
Maximum surface temperature
123°C
Minimum surface temperature
-233°C
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