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Exoplanet LP 645-50 A b
Exoplanet LP 645-50 A b orbits star LP 645-50 A that lies 181 light years away from the Sun.
It weighs about 15.6 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
181 light years
181 light years
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LP 645-50 A b
Exoplanet, sub-neptune
Star: LP 645-50 A
Distance from the star: 0.02267 AU
Orbit around star: 3.076689 days
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Orbital period
Orbital period of exoplanet LP 645-50 A b around its star is 3.076689 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: 0.09Basic characteristic
Mass: 15.6 M Earth
Exoplanet mass
Exoplanet LP 645-50 A b has 15.6 Earth masses, or 1.07 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
Size: 2.860 R Earth | 0.3 R Jupiter
Density: 3677 kg/m3 | 66.70 % Earth
Year of discovery: 2021 (transit)
Other designations of this exoplanet
TOI-2406 b, TIC 212957629 b, 2MASS J00351318-0322140 b, Gaia 2528453161326406016 b
TOI-2406 b, TIC 212957629 b, 2MASS J00351318-0322140 b, Gaia 2528453161326406016 b
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LP 645-50 system structure
Exoplanet LP 645-50 A b orbits star LP 645-50 A, which has much lower mass than Sun. It is the only known exoplanet orbiting this star
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LP 645-50 A | ||||||||
| LP 645-50 A b | 0.02 AU | 15.6 M⊕ | 2.9 R⊕ | 3.1 days | |||||
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LP 645-50 B | ||||||||
Comparison
When comparing to the Solar system planets, LP 645-50 A b has 1.07 times the 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 | 283.64 | 19.14 | 15.6 | 141.82 | 0.05 | 0.16 | 1.07 | 0.91 |
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Size | 7.47 | 3.01 | 2.86 | 5.4 | 0.26 | 0.31 | 0.72 | 0.75 |
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Density | 0.68 | 0.7 | 0.67 | 0.9 | 2.96 | 5.28 | 2.92 | 2.13 |
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Distance | 0.06 | 0.03 | 0.02 | 0.01 | 0 | 0 | 0 | 0 |
News from this star system
10. 08 2021
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