Moon

Detailed Information

About Moon

The Moon is Earth's only natural satellite and the fifth largest moon in the Solar System. It is about one-quarter the size of Earth and is the largest natural satellite relative to the size of its planet. The Moon's gravitational influence produces the ocean tides, body tides, and the slight lengthening of the day.

Quick Facts

  • Distance from Earth: ~384,400 km (238,855 miles)
  • Diameter: 3,474 km (2,159 miles) - about 1/4 of Earth's
  • Orbital period: 27.3 Earth days
  • Rotation period: 27.3 Earth days (tidally locked)
  • Surface gravity: 1.62 m/s² (1/6 of Earth's)
  • Age: ~4.5 billion years
  • Surface temperature: -173°C to 127°C (-279°F to 260°F)
  • Atmosphere: Extremely thin exosphere

Learn More

Moon Information

Location: Beijing

Updated: 2026-05-27 01:23 CST
Group Property Value
Position Altitude 8.6°
Position Azimuth 250.6°
Position Right Ascension 12h44m56s
Position Declination -08°17'13"
Position Distance 396,395 km
Position Constellation Virgo
Appearance Angular Diameter 30.14′
Appearance Illumination 81.1%
Appearance Phase First Quarter
Appearance Phase Angle 128.5°
Rise / Set Rises 15:48 local time
Rise / Set Sets 02:37 local time
Rise / Set Maximum Altitude 21:17 local time
Rise / Set Max Altitude Value 36.5°
Monthly Phases Full Moon 2026-05-01 17:23 UTC
Monthly Phases Last Quarter 2026-05-09 21:10 UTC
Monthly Phases New Moon 2026-05-16 20:01 UTC
Monthly Phases First Quarter 2026-05-23 11:10 UTC
Monthly Phases Full Moon 2026-05-31 08:45 UTC
Perigee / Apogee Perigee (2026-05-17 13:41) 358,082 km
Perigee / Apogee Apogee (2026-05-04 22:22) 405,816 km