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: 2026-08-11 06:34 CST
Group Property Value
Position Altitude 35.7°
Position Azimuth 87.0°
Position Right Ascension 07h43m34s
Position Declination +24°27'11"
Position Distance 363,425 km
Position Constellation Gemini
Appearance Angular Diameter 32.87′
Appearance Illumination 4.6%
Appearance Phase New Moon
Appearance Phase Angle 24.6°
Rise / Set Rises 04:21 local time
Rise / Set Sets 18:30 local time
Rise / Set Maximum Altitude 10:52 local time
Rise / Set Max Altitude Value 73.5°
Monthly Phases Last Quarter 2026-08-06 02:21 UTC
Monthly Phases New Moon 2026-08-12 17:36 UTC
Monthly Phases First Quarter 2026-08-20 02:46 UTC
Monthly Phases Full Moon 2026-08-28 04:18 UTC
Perigee / Apogee Perigee (2026-08-10 11:09) 363,265 km
Perigee / Apogee Apogee (2026-08-22 08:20) 404,678 km