Moon: Vital Stats main content.

Moon: Vital Stats

Part of the Beyond Planet Earth: The Future of Space Exploration exhibition.

  • DISTANCE FROM EARTH: 238,857 miles [average] [384,400 km] from Earth
  • SIZE: 2,160 miles in diameter, about 27% that of Earth [3,475 km]
  • GRAVITY: 17% Earth's gravity
  • ORBITAL PERIOD: 29.5 days to orbit Earth
  • LENGTH OF DAY: 708 hours
  • TRAVEL TIME: By Apollo 11= 3 days; by car=135 days by car at 70 mph [113 km/h]
Black and white NASA photo of the Moon