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Exoplanet HD 10180 b
(Unconfirmed Exoplanet)
HD 10180 b is an unconfirmed exoplanet detected around star HD 10180. More observations are needed to confirm its existence.
Sun distance
127 light years
127 light years
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HD 10180 b
Exoplanet
Star: HD 10180
Distance from the star: 0.02225 AU
Orbit around star: 1.17768 days
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Orbital period
Orbital period of exoplanet HD 10180 b around its star is 1.17768 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: 1.35 M Earth
Exoplanet mass
Exoplanet HD 10180 b has 1.35 Earth masses.
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: 2010Advertisement
HD 10180 system structure
Exoplanet HD 10180 b orbits star HD 10180, which has bigger mass than Sun. It is one of 7 known exoplanets orbiting this star.
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HD 10180 | ||||||||
| HD 10180 b unconfirmed |
0.02 AU | 1.4 M⊕ | 1.2 days | ||||||
| HD 10180 c | 0.06 AU | 13.1 M⊕ | 5.8 days | ||||||
| HD 10180 d | 0.13 AU | 11.8 M⊕ | 16.4 days | ||||||
| HD 10180 e | 0.27 AU | 25.1 M⊕ | 49.7 days | ||||||
| HD 10180 f | 0.49 AU | 23.9 M⊕ | 122.8 days | ||||||
| HD 10180 g | 1.42 AU (HZ) | 21.4 M⊕ | 601.2 days | ||||||
| HD 10180 h | 3.4 AU | 64.4 M⊕ | 2222 days | ||||||
Comparison
When comparing to the Solar system planets, HD 10180 b has 1.35 times the mass of Earth and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 24.55 | 1.66 | 1.35 | 12.27 | 0 | 0.01 | 0.09 | 0.08 |
|
Distance | 0.06 | 0.03 | 0.02 | 0.01 | 0 | 0 | 0 | 0 |
Habitability
Habitable zone of the star: 1.3 - 1.9 AU
The planet is too hot to sustain liquid water.
The planet has mass comparable to Earth.