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Exoplanet Lambda Serpentis b
(Unconfirmed Exoplanet)
Lambda Serpentis b is an unconfirmed exoplanet detected around star Lambda Serpentis. More observations are needed to confirm its existence.
Sun distance
39 light years
39 light years
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Lambda Serpentis b
Exoplanet
Star: Lambda Serpentis
Distance from the star: 0.123 AUBasic characteristic
Mass: 0.05 M Earth
Exoplanet mass
Exoplanet Lambda Serpentis b has 0.05 Earth masses, or 0.91 times the mass of Mercury.
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
Other designations of this exoplanet
* lam Ser b, 27 Serpentis b, BD +7°3023 b, HD 141004 b, HIP 77257 b, HIC 77257 b, HR 5868 b, SAO 121186 b, LTT 14677 b, GJ 598 b, Gliese 598 b, JP11 2646 b, 2MASS J15462661+0721109 b, N30 3543 b, NLTT 41151 b, SAO 121186 b, TIC 296740796 b, TYC 364-1224-1 b, WEB 13090 b
* lam Ser b, 27 Serpentis b, BD +7°3023 b, HD 141004 b, HIP 77257 b, HIC 77257 b, HR 5868 b, SAO 121186 b, LTT 14677 b, GJ 598 b, Gliese 598 b, JP11 2646 b, 2MASS J15462661+0721109 b, N30 3543 b, NLTT 41151 b, SAO 121186 b, TIC 296740796 b, TYC 364-1224-1 b, WEB 13090 b
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Lambda Serpentis system structure
Exoplanet Lambda Serpentis b orbits star Lambda Serpentis, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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Lambda Serpentis | ||||||||
| Lambda Serpentis b unconfirmed |
0.12 AU | 0.1 M⊕ | - | ||||||
Comparison
When comparing to the Solar system planets, Lambda Serpentis b has 91 % of mass of Mercury and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 0.91 | 0.06 | 0.05 | 0.45 | 0 | 0 | 0 | 0 |
|
Distance | 0.32 | 0.17 | 0.12 | 0.08 | 0.02 | 0.01 | 0.01 | 0 |
Habitability
Habitable zone of the star: 1.6 - 2.3 AU
The planet is too hot to sustain liquid water.
The planet has mass comparable to Earth.