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Exoplanet HD 10180 g
Exoplanet HD 10180 g orbits star HD 10180 that lies 127 light years away from the Sun.
It weighs about 21.405 Earth masses and orbits its star further than Earth orbits Sun.
Sun distance
127 light years
127 light years
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HD 10180 g
Exoplanet
Star: HD 10180
Distance from the star: 1.422 AU
Orbit around star: 601.2 days
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Orbital period
Orbital period of exoplanet HD 10180 g around its star is 601.2 days (or 1.6 years).
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: 0.19Basic characteristic
Mass: 21.405 M Earth
Exoplanet mass
Exoplanet HD 10180 g has 21.405 Earth masses, or 1.24 times the mass of Neptune.
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: 2010 (radial velocity)Advertisement
HD 10180 system structure
Exoplanet HD 10180 g 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 g has 1.24 times the mass of Neptune and it orbits its star a little closer than Mars.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 389.18 | 26.26 | 21.41 | 194.59 | 0.07 | 0.22 | 1.47 | 1.24 |
|
Distance | 3.65 | 1.97 | 1.42 | 0.93 | 0.27 | 0.15 | 0.07 | 0.05 |
Habitability
Habitable zone of the star: 1.3 - 1.9 AU
The planet is orbiting inside the habitable zone of its star.
The planet is a gas giant and has no surface, however life could still be possible in its atmosphere or on the potential moons orbiting the planet.