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Exoplanet Gliese 892 g
(Unconfirmed Exoplanet)
Gliese 892 g is an unconfirmed exoplanet detected around star Gliese 892. More observations are needed to confirm its existence.
Sun distance
21 light years
21 light years
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Gliese 892 g
Exoplanet, super-earth
Star: Gliese 892
Distance from the star: 0.3753 AU
Orbit around star: 94.2 days
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Orbital period
Orbital period of exoplanet Gliese 892 g around its star is 94.2 days.
The orbital period of an exoplanet is the time it takes to complete one full orbit around its star, usually measured in days. Most of the exoplanets discovered so far have orbital periods of less than one year...
More about Orbital period in StellarGuide
Basic characteristic
Mass: 10.8 M Earth
Exoplanet mass
Exoplanet Gliese 892 g has 10.8 Earth masses, or 0.74 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...
More about Exoplanet mass in StellarGuide
Size: 2.4 R Earth | 0.2 R Jupiter
Density: 4307 kg/m3 | 78.12 % Earth
Temperature: 298 K | 24.85 °C
Year of discovery: 2015 (radial velocity)
Other designations of this exoplanet
HR 8832 g, HD 219134 g, FK5 875 g, HIP 114622 g, LFT 1767 g, LHS 71 g, LTT 16826 g, SAO 35236 g, TOI 1469 g, GJ 892 g, WISEA J231319.69+571009.3 g, 2MASS J23131692+5710059 g
HR 8832 g, HD 219134 g, FK5 875 g, HIP 114622 g, LFT 1767 g, LHS 71 g, LTT 16826 g, SAO 35236 g, TOI 1469 g, GJ 892 g, WISEA J231319.69+571009.3 g, 2MASS J23131692+5710059 g
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Gliese 892 system structure
Exoplanet Gliese 892 g orbits star Gliese 892, which has lower mass than Sun. It is one of 7 known exoplanets orbiting this star.
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Gliese 892 | ||||||||
| Gliese 892 b | 0.04 AU | 4.6 M⊕ | 1.6 R⊕ | 3.1 days | |||||
| Gliese 892 c | 0.06 AU | 4.2 M⊕ | 1.5 R⊕ | 6.8 days | |||||
| Gliese 892 f | 0.14 AU | 7.1 M⊕ | 1.3 R⊕ | 22.7 days | |||||
| Gliese 892 d | 0.23 AU | 15.8 M⊕ | 1.6 R⊕ | 46.9 days | |||||
| Gliese 892 g unconfirmed |
0.38 AU | 10.8 M⊕ | 2.4 R⊕ | 94.2 days | |||||
| Gliese 892 e | 2.56 AU | 70.9 M⊕ | 1842 days | ||||||
| Gliese 892 h | 2.96 AU | 108 M⊕ | 2198 days | ||||||
Comparison
When comparing to the Solar system planets, Gliese 892 g has 74 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 196.36 | 13.25 | 10.8 | 98.18 | 0.03 | 0.11 | 0.74 | 0.63 |
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Size | 6.27 | 2.53 | 2.4 | 4.53 | 0.21 | 0.26 | 0.6 | 0.63 |
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Density | 0.8 | 0.82 | 0.78 | 1.06 | 3.46 | 6.18 | 3.42 | 2.49 |
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Distance | 0.96 | 0.52 | 0.38 | 0.25 | 0.07 | 0.04 | 0.02 | 0.01 |
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Temperature | 0.68 | 0.4 | 1.03 | 1.43 | 1.83 | 2.24 | 3.82 | 4.14 |
Habitability
Habitable zone of the star: 0.61 - 0.88 AU
The planet's orbit is close to hotter edge of the habitable zone of its star.