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Exoplanet Gliese 373 b
Exoplanet Gliese 373 b orbits star Gliese 373 that lies 34 light years away from the Sun.
It weighs about 22.9 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
34 light years
34 light years
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Gliese 373 b
Exoplanet
Star: Gliese 373
Distance from the star: 0.112 AU
Orbit around star: 17.8 days
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Orbital period
Orbital period of exoplanet Gliese 373 b around its star is 17.8 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: 22.9 M Earth
Exoplanet mass
Exoplanet Gliese 373 b has 22.9 Earth masses, or 1.33 times the mass of Neptune.
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: 5.111 R Earth | 0.5 R Jupiter
Density: 946 kg/m3 | 17.16 % Earth
Other designations of this exoplanet
LHS 2211 b, G 235-49 b, G 236-7 b, GJ 373 b, BD+63 869 b, BD+63 869 b, HIC 48714 b, HIP 48714 b, LFT 688 b, L 1869-6 b, LSPM J0956+6247 b, LTT 12638 b, 2MASS J09560868+6247185 b, MCC 121 b, NLTT 22923 b, TIC 287165117 b, TYC 4140-922-1 b, VVO 170 b
LHS 2211 b, G 235-49 b, G 236-7 b, GJ 373 b, BD+63 869 b, BD+63 869 b, HIC 48714 b, HIP 48714 b, LFT 688 b, L 1869-6 b, LSPM J0956+6247 b, LTT 12638 b, 2MASS J09560868+6247185 b, MCC 121 b, NLTT 22923 b, TIC 287165117 b, TYC 4140-922-1 b, VVO 170 b
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Gliese 373 system structure
Exoplanet Gliese 373 b orbits star Gliese 373, which has much lower mass than Sun. It is the only known exoplanet orbiting this star
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Gliese 373 | ||||||||
| Gliese 373 b | 0.11 AU | 22.9 M⊕ | 5.1 R⊕ | 17.8 days | |||||
Comparison
When comparing to the Solar system planets, Gliese 373 b has 1.33 times the mass of Neptune and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 416.36 | 28.1 | 22.9 | 208.18 | 0.07 | 0.24 | 1.57 | 1.33 |
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Size | 13.35 | 5.38 | 5.11 | 9.64 | 0.46 | 0.56 | 1.28 | 1.35 |
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Density | 0.18 | 0.18 | 0.17 | 0.23 | 0.76 | 1.36 | 0.75 | 0.55 |
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Distance | 0.29 | 0.15 | 0.11 | 0.07 | 0.02 | 0.01 | 0.01 | 0 |
Habitability
Habitable zone of the star: 0.32 - 0.47 AU
The planet is too hot to sustain liquid water.