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Gliese 581
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Gliese 581 g
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Exoplanet Gliese 581 g

Exoplanet Gliese 581 g orbits star Gliese 581 that lies 21 light years away from the Sun. It weighs about 2.2 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
21 light years

Gliese 581 g

Exoplanet
Star: Gliese 581
icon distanceDistance from the star: 0.13 AU

Basic characteristic

icon weightMass: 2.2 M Earth
Other designations of this exoplanet
Wolf 562 g, HO Librae g, HO Lib g, BD−07°4003 g, GJ 581 g, HIP 74995 g, LFT 1195 g, LHS 394 g, LPM 564 g, LTT 6112 g, NLTT 39886 g, TYC 5594-1093-1 g, BD-07 4003 g

Comparison

When comparing to the Solar system planets, Gliese 581 g has 15 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
icon mass Mass 402.72.2200.010.020.150.13
icon distance Distance0.330.180.130.090.020.010.010

Gliese 581 system structure

Exoplanet Gliese 581 g orbits star Gliese 581, which has lower mass than Sun. It is one of 3 known exoplanets orbiting this star.
Gliese 581
Gliese 581 e 0.03 AU 1.8 M 3.1 days
Gliese 581 b 0.04 AU 15.3 M 5.4 days
Gliese 581 c 0.07 AU 5 M 12.9 days
Gliese 581 g
disproven
0.13 AU 2.2 M -
Gliese 581 d
disproven
0.22 AU 7 M -
Gliese 581 f
disproven
50 AU -
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