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Solar System Constants

Sun, Earth and Moon constants

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Earth

  • mass : 5.98 x 1024 kg
  • radius : 6.38 x 106 m
  • period of orbit : 365.3 days
  • radius of orbit : 149 x 109 m
  • acceleration of gravity : 9.81 m/s2 = 35 kph/s = 22 mph/s = 32 feet/s2
  • escape velocity : 11.2 x 103 m/s

Jupiter

  • mass : 1.9 x 1027 kg
  • radius : 71.5 x 106 m
  • acceleration of gravity : 25 m/s2
  • escape velocity : 57.5 x 103 m/s

Mars

  • mass : 6.42 x 1023 kg
  • radius : 3.4 x 106 m
  • acceleration of gravity : 3.7 m/s2
  • escape velocity : 5.1 x 103 m/s

Mercury

  • mass : 3.3 x 1023 kg
  • radius : 2.44 x 106 m
  • acceleration of gravity : 3.7 m/s2
  • escape velocity : 4.3 x 103 m/s

Moon

  • mass : 7.35 x 1022 kg
  • radius : 1.74 x 106 m
  • period of orbit : 27.3 days
  • radius of orbit : 0.38 x 109 m
  • acceleration of gravity : aprox. 1/6 of acceleration of gravity on the earth ≈ 1.6 m/s2
  • escape velocity : 2.4 x 103 m/s

Neptune

  • mass : 1.02 x 1026 kg
  • radius : 24.8 x 106 m
  • acceleration of gravity : 11 m/s2
  • escape velocity : 24.4 x 103 m/s

Pluto

  • mass : 1.30 x 1022 kg
  • radius : 1.18 x 106 m
  • acceleration of gravity : 0.62 m/s2

Saturn

  • mass : 5.69 x 1026 kg
  • radius : 60.3 x 106 m
  • acceleration of gravity : 10 m/s2
  • escape velocity : 35.4 x 103 m/s

Sun

  • mass : 1.989 x 1030 kg
  • diameter : 1390 x 106 m
  • mean distance from the earth to the sun : approximately 1.5 × 1011 m, the Astronomical Unit - AU
  • mean distance from the sun to Mars : 1.5 AU
  • mean distance from the sun to Jupiter: 5.2 AU
  • mean distance from the sun to Pluto: 40 AU
  • distance to the star nearest the sun Proxima Centauri: 270,000 AU
  • acceleration of gravity : 270 m/s2
  • escape velocity : 618 x 103 m/s

Uranus

  • mass : 8.68 x 1025 kg
  • radius : 25.6 x 106 m
  • acceleration of gravity : 8.9 m/s2
  • escape velocity : 21.9 x 103 m/s

Venus

  • mass : 4.87 x 1024 kg
  • radius : 6.05 x 106 m
  • acceleration of gravity : 8.9 m/s2
  • escape velocity : 10.3 x 103 m/s

Outside the Solar System

  • mass of a neutron star : 2.8 - 6 x 1030 kg
  • mass of a black hole : > 6 x 1030 kg
  • mass of the Milky Way : 1.5 - 2 x 1042 kg
  • mass of the observable university : ≈ 1053 kg
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  • en: solar system sun earth moon mass diameter orbit radius
  • es: tierra luna sistema sol solar diámetro masa radio de la órbita
  • de: Sonnensystem Sonne Erde Mond Massendurchmesser Bahnradius
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