Characteristics

Mean apparent diameter 31´ 05´´
Radius 1738 km = 0,272 481 of Earth's radius
Volume 0,020 of Earth's volume
Mass 0,012 300 02 of Earth's mass = 7,3483 x 10²² kg
Mean density 0,606 of Earth's mean density = 3,33 of water's mean density
Gravity, equatorial Earth gravity equal to 1 0,166
Escape velocity 2,4 km/s
Moon surface always invisible 41 %
Libration in longitude 7° 54´
Libration in latitude 6° 50´
Diurnal libration 1° 02´
Albedo 0,073
Color index (B - V) +0m,7
Visual stellar magnitude (V) at full Moon -12m,7
Equatorial horizontal parallax at mean distance 57´ 02´´,6
Average centre-to-centre distance from Earth to the Moon 384 400 km
Angle between Moon equator and Moon orbit 6° 41´
Inclinaison of Moon equator to ecliptic 1° 32´
Moon inclinaison of orbit to ecliptic 5° 08´ 43´´,4
Eccentriciy 0,0549
Moon longitude of ascending node at 1st january 2018 - 0h UT 136.8986
Tropical diurnal Moon motion of the node -0°,0530
Sideral revolution of the node 6793,5 days
Mean longitude of the perigee at 1st january 2018 - 0h UT 95.7753
Tropical diurnal mean motion of the perigee +0°,1114
Sideral revolution of the perigeee 3232,6 days