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Exoplanet 20 Leonis Minoris A b
Exoplanet 20 Leonis Minoris A b orbits star 20 Leonis Minoris A that lies 49 light years away from the Sun.
It weighs about 9.16 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
49 light years
49 light years
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20 Leonis Minoris A b
Exoplanet
Star: 20 Leonis Minoris A
Distance from the star: 0.1916 AU
Orbit around star: 31.1503 days
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Orbital period
Orbital period of exoplanet 20 Leonis Minoris A b around its star is 31.1503 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: 0.121Basic characteristic
Mass: 9.16 M Earth
Exoplanet mass
Exoplanet 20 Leonis Minoris A b has 9.16 Earth masses, or 0.63 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
20 LMi b, BD+32° 1964 b, FK5 1258 b, GJ 376 b, Gliese 376 b, HD 86728 b, HIC 49081 b, HIP 49081 b, HR 3951 b, SAO 61808 b, LHS 2216 b, LTT 12671 b
20 LMi b, BD+32° 1964 b, FK5 1258 b, GJ 376 b, Gliese 376 b, HD 86728 b, HIC 49081 b, HIP 49081 b, HR 3951 b, SAO 61808 b, LHS 2216 b, LTT 12671 b
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20 Leonis Minoris system structure
Exoplanet 20 Leonis Minoris A b orbits star 20 Leonis Minoris A, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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20 Leonis Minoris A | ||||||||
| 20 Leonis Minoris A b | 0.19 AU | 9.2 M⊕ | 31.2 days | ||||||
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20 Leonis Minoris B | 2016 AU | |||||||
Comparison
When comparing to the Solar system planets, 20 Leonis Minoris A b has 63 % 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 | 166.55 | 11.24 | 9.16 | 83.27 | 0.03 | 0.1 | 0.63 | 0.53 |
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Distance | 0.49 | 0.27 | 0.19 | 0.13 | 0.04 | 0.02 | 0.01 | 0.01 |
Habitability
Habitable zone of the star: 1.1 - 1.5 AU
The planet is too hot to sustain liquid water.