The Lunex Lunar Guide

Physical parameters

  • Radius:
  • 1738 km
  • Circumference:
  • 10916 km
  • Surface area:
  • 3793×107 km2
  • Volume:
  • 2196×1010 km3
  • Mass:
  • 7.3477×1022 kg
  • Density:
  • 3346.4 kg/m3
  • Surface gravity:
  • 1.62 m/s2 (0.1654 g)
  • Escape velocity:
  • 2.38 km/s
  • Sidereal rotation period:
  • 27.321 582 d (synchronous)
  • Rotation velocity at equator:
  • 4627 m/s
  • Axial tilt:
  • 1.5424° (to ecliptic)
  • Albedo:
  • 0.12
  • Surface temperature:
  • min mean max
    - at equator 100 K 220 K 390 K
    - at 85°N 70 K 130 K 230 K

    Orbital parameters

  • Perigee:
  • 363,104 km
  • Apogee:
  • 405,696 km
  • Semi-major axis:
  • 384,399 km
  • Orbital circumference:
  • 2,413,402 km
  • Orbit eccentricity:
  • 0.0549
  • Sidereal month:
  • 27.321 582 d

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