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Exoplanet 83 Leonis B b
Exoplanet 83 Leonis B b orbits star 83 Leonis B that lies 59 light years away from the Sun.
It weighs about 25.496 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
59 light years
59 light years
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83 Leonis B b
Exoplanet
Star: 83 Leonis B
Distance from the star: 0.123 AU
Orbit around star: 17.0503 days
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Orbital period
Orbital period of exoplanet 83 Leonis B b around its star is 17.0503 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
Eccentricity: 0.034Basic characteristic
Mass: 25.496 M Earth
Exoplanet mass
Exoplanet 83 Leonis B b has 25.496 Earth masses, or 1.48 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
Year of discovery: 2005 (radial velocity)
Other designations of this exoplanet
HD 99492 b, BD+03° 2502 b
HD 99492 b, BD+03° 2502 b
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83 Leonis system structure
Exoplanet 83 Leonis B b orbits star 83 Leonis B, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
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83 Leonis A | ||||||||
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83 Leonis B | ||||||||
| 83 Leonis B b | 0.12 AU | 25.5 M⊕ | 17.1 days | ||||||
| 83 Leonis B c | 5.4 AU | 17.9 M⊕ | 95.2 days | ||||||
Comparison
When comparing to the Solar system planets, 83 Leonis B b has 1.48 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 | 463.56 | 31.28 | 25.5 | 231.78 | 0.08 | 0.27 | 1.75 | 1.48 |
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Distance | 0.32 | 0.17 | 0.12 | 0.08 | 0.02 | 0.01 | 0.01 | 0 |
Habitability
Habitable zone of the star: 0.69 - 0.99 AU
The planet is too hot to sustain liquid water.