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Exoplanet Gliese 378 b
Exoplanet Gliese 378 b orbits star Gliese 378 that lies 49 light years away from the Sun.
It weighs about 13.025 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
49 light years
49 light years
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Gliese 378 b
Exoplanet
Star: Gliese 378
Distance from the star: 0.039435 AU
Orbit around star: 3.822 days
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Orbital period
Orbital period of exoplanet Gliese 378 b around its star is 3.822 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: 13.025 M Earth
Exoplanet mass
Exoplanet Gliese 378 b has 13.025 Earth masses, or 0.89 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
Year of discovery: 2019 (radial velocity)
Other designations of this exoplanet
Gl 378 b, GJ 378 b, LHS 278 b, BD+48 1829 b, G 146-6 b, G 195-54 b, HIC 49189 b, HIP 49189 b, LFT 695 b, L 1687-13 b, LTT 12682 b, NLTT 23220 b, 2MASS J10022184+4805209 b, TIC 252470070 b, TYC 3437-85-1 b, WISEA J100221.10+480504.5 b
Gl 378 b, GJ 378 b, LHS 278 b, BD+48 1829 b, G 146-6 b, G 195-54 b, HIC 49189 b, HIP 49189 b, LFT 695 b, L 1687-13 b, LTT 12682 b, NLTT 23220 b, 2MASS J10022184+4805209 b, TIC 252470070 b, TYC 3437-85-1 b, WISEA J100221.10+480504.5 b
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Gliese 378 system structure
Exoplanet Gliese 378 b orbits star Gliese 378, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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Gliese 378 | ||||||||
| Gliese 378 b | 0.04 AU | 13 M⊕ | 3.8 days | ||||||
Comparison
When comparing to the Solar system planets, Gliese 378 b has 89 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 236.82 | 15.98 | 13.03 | 118.41 | 0.04 | 0.14 | 0.89 | 0.76 |
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Distance | 0.1 | 0.05 | 0.04 | 0.03 | 0.01 | 0 | 0 | 0 |
Habitability
Habitable zone of the star: 0.28 - 0.4 AU
The planet is too hot to sustain liquid water.