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Gliese 880 A b
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Exoplanet Gliese 880 A b

Exoplanet Gliese 880 A b orbits star Gliese 880 A that lies 22 light years away from the Sun. It weighs about 8.5 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
22 light years
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iconGliese 880 A b

Exoplanet
icon distanceDistance from the star: 0.187 AU

Basic characteristic

icon weight
Mass: 8.5 M Earth
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Exoplanet mass
Exoplanet Gliese 880 A b has 8.5 Earth masses, or 0.58 times the mass of Uranus.

The mass of an exoplanet is one of the most important characteristics for understanding what kind of world it is — whether it’s small and rocky like Earth or large and gaseous like Jupiter. Mass provides key information about the planet’s composition, gravity, and formation history... icon More about Exoplanet mass in StellarGuide
Other designations of this exoplanet
Ross 671 b, LHS 533 b, BD+15 4733 b, DO 21896 b, 2E 4655 b, G 67-37 b, HD 216899 b, HIC 113296 b, HIP 113296 b, IRAS 22541+1617 b, LFT 1751 b, 2MASS J22563497+1633130 b, WEB 20157 b, GJ 880 b
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Gliese 880 system structure

Exoplanet Gliese 880 A b orbits star Gliese 880 A, which has lower mass than Sun. It is the only known exoplanet orbiting this star
 Gliese 880 A
Gliese 880 A b 0.19 AU 8.5 M⊕ -
Gliese 880 B

Comparison

When comparing to the Solar system planets, Gliese 880 A b has 58 % 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 154.5510.438.577.270.030.090.580.49
icon distance Distance0.480.260.190.120.040.020.010.01

Habitability

Habitable zone of the star: 0.27 - 0.39 AU
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The planet's orbit is close to hotter edge of the habitable zone of its star.

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