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Exoplanet Gliese 300 b
(Unconfirmed Exoplanet)
Gliese 300 b is an unconfirmed exoplanet detected around star Gliese 300. More observations are needed to confirm its existence.
Sun distance
26 light years
26 light years
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Gliese 300 b
Exoplanet
Star: Gliese 300
Distance from the star: 0.05 AU
Orbit around star: 8.33 days
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Orbital period
Orbital period of exoplanet Gliese 300 b around its star is 8.33 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: 7.3 M Earth
Exoplanet mass
Exoplanet Gliese 300 b has 7.3 Earth masses, or 0.5 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: 2024 (radial velocity)
Other designations of this exoplanet
L 674-15 b, LHS 1989 b, LFT 571 b, LP 843-1 b, LTT 3080 b, NLTT 19136 b, 2MASS J08124088-2133056 b, JP11 5131 b, GJ 300 b
L 674-15 b, LHS 1989 b, LFT 571 b, LP 843-1 b, LTT 3080 b, NLTT 19136 b, 2MASS J08124088-2133056 b, JP11 5131 b, GJ 300 b
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Gliese 300 system structure
Exoplanet Gliese 300 b orbits star Gliese 300, which has much lower mass than Sun. It is the only known exoplanet orbiting this star
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Gliese 300 | ||||||||
| Gliese 300 b unconfirmed |
0.05 AU | 7.3 M⊕ | 8.3 days | ||||||
Comparison
When comparing to the Solar system planets, Gliese 300 b has 50 % 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 | 132.73 | 8.96 | 7.3 | 66.36 | 0.02 | 0.08 | 0.5 | 0.42 |
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Distance | 0.13 | 0.07 | 0.05 | 0.03 | 0.01 | 0.01 | 0 | 0 |
Habitability
Habitable zone of the star: 0.06 - 0.09 AU
The planet is orbiting on the edge of the habitable zone of its star.