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Exoplanet LP 890-9 b
Exoplanet LP 890-9 b orbits star LP 890-9 that lies 105 light years away from the Sun.
It weighs about 13.193 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
105 light years
105 light years
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LP 890-9 b
Exoplanet, super-earth
Star: LP 890-9
Distance from the star: 0.01875 AU
Orbit around star: 2.729902 days
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Orbital period
Orbital period of exoplanet LP 890-9 b around its star is 2.729902 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: 13.193 M Earth
Exoplanet mass
Exoplanet LP 890-9 b has 13.193 Earth masses, or 0.9 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: 1.32 R Earth | 0.1 R Jupiter
Density: 31626 kg/m3 | 573.66 % Earth
Temperature: 396 K | 122.85 °C
Year of discovery: 2022 (transit)
Other designations of this exoplanet
2MASS J04163114-2818526 b, TIC 44898913 b, WISEA J041631.33-281855.5 b, Gaia DR3 4886243456388510720 b, TOI-4306 b, SPECULOOS-2 b
2MASS J04163114-2818526 b, TIC 44898913 b, WISEA J041631.33-281855.5 b, Gaia DR3 4886243456388510720 b, TOI-4306 b, SPECULOOS-2 b
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LP 890-9 system structure
Exoplanet LP 890-9 b orbits star LP 890-9, which has much lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
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LP 890-9 | ||||||||
| LP 890-9 b | 0.02 AU | 13.2 M⊕ | 1.3 R⊕ | 2.7 days | |||||
| LP 890-9 c | 0.04 AU | 2.5 M⊕ | 1.4 R⊕ | 8.5 days | |||||
Comparison
When comparing to the Solar system planets, LP 890-9 b has 90 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 239.87 | 16.19 | 13.19 | 119.94 | 0.04 | 0.14 | 0.9 | 0.77 |
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Size | 3.45 | 1.39 | 1.32 | 2.49 | 0.12 | 0.15 | 0.33 | 0.35 |
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Density | 5.86 | 6.03 | 5.74 | 7.76 | 25.42 | 45.41 | 25.15 | 18.3 |
|
Distance | 0.05 | 0.03 | 0.02 | 0.01 | 0 | 0 | 0 | 0 |
|
Temperature | 0.9 | 0.54 | 1.38 | 1.9 | 2.43 | 2.98 | 5.08 | 5.5 |
Habitability
Habitable zone of the star: 0.02 - 0.03 AU
The planet is orbiting on the edge of the habitable zone of its star.
News from this star system
08. 09 2022
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