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Exoplanet Gliese 357 b
Exoplanet Gliese 357 b orbits star Gliese 357 that lies 31 light years away from the Sun.
It weighs about 1.84 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
31 light years
31 light years
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Gliese 357 b
Exoplanet, rocky planet
Star: Gliese 357
Distance from the star: 0.035 AU
Orbit around star: 3.93072 days
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Orbital period
Orbital period of exoplanet Gliese 357 b around its star is 3.93072 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: 1.84 M Earth
Exoplanet mass
Exoplanet Gliese 357 b has 1.84 Earth masses.
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: 1.17 R Earth | 0.1 R Jupiter
Density: 6334 kg/m3 | 114.89 % Earth
Other designations of this exoplanet
TOI 562 b, L 678-39 b, LHS 2157 b, LFT 661 b, LPM 321 b, LP 788-6 b, LTT 3534 b, NLTT 22154 b, 2MASS J09360161-2139371 b, HIP 47103 b, HIC 47103 b, GJ 357 b
TOI 562 b, L 678-39 b, LHS 2157 b, LFT 661 b, LPM 321 b, LP 788-6 b, LTT 3534 b, NLTT 22154 b, 2MASS J09360161-2139371 b, HIP 47103 b, HIC 47103 b, GJ 357 b
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Gliese 357 system structure
Exoplanet Gliese 357 b orbits star Gliese 357, which has lower mass than Sun. It is one of 3 known exoplanets orbiting this star.
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|
Gliese 357 | ||||||||
| Gliese 357 b | 0.04 AU | 1.8 M⊕ | 1.2 R⊕ | 3.9 days | |||||
| Gliese 357 c | 0.06 AU | 3.4 M⊕ | 9.1 days | ||||||
| Gliese 357 d | 0.2 AU | 6.1 M⊕ | 55.7 days | ||||||
Comparison
When comparing to the Solar system planets, Gliese 357 b has 1.84 times the mass of Earth and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 33.45 | 2.26 | 1.84 | 16.73 | 0.01 | 0.02 | 0.13 | 0.11 |
|
Size | 3.06 | 1.23 | 1.17 | 2.21 | 0.1 | 0.13 | 0.29 | 0.31 |
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Density | 1.17 | 1.21 | 1.15 | 1.55 | 5.09 | 9.09 | 5.04 | 3.67 |
|
Distance | 0.09 | 0.05 | 0.04 | 0.02 | 0.01 | 0 | 0 | 0 |
Habitability
Habitable zone of the star: 0.13 - 0.19 AU
The planet is too hot to sustain liquid water.
The planet has mass comparable to Earth.
News from this star system
02. 08 2019
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