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Exoplanet HD 69830 c
Exoplanet HD 69830 c orbits star HD 69830 that lies 41 light years away from the Sun.
It weighs about 11.8 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
41 light years
41 light years
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HD 69830 c
Exoplanet, sub-neptune
Star: HD 69830
Distance from the star: 0.186 AUBasic characteristic
Mass: 11.8 M Earth
Exoplanet mass
Exoplanet HD 69830 c has 11.8 Earth masses, or 0.81 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: 3.363 R Earth | 0.3 R Jupiter
Density: 1711 kg/m3 | 31.04 % Earth
Other designations of this exoplanet
285 G. Puppis c, BD−12°2449 c, Gliese 302 c, GJ 302 c, HIP 40693 c, HR 3259 c, LHS 245 c, SAO 154093 c, 2MASS J08182389-1237541 c, Gaia DR2 5726982995343100928 c
285 G. Puppis c, BD−12°2449 c, Gliese 302 c, GJ 302 c, HIP 40693 c, HR 3259 c, LHS 245 c, SAO 154093 c, 2MASS J08182389-1237541 c, Gaia DR2 5726982995343100928 c
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HD 69830 system structure
Exoplanet HD 69830 c orbits star HD 69830, which has lower mass than Sun. It is one of 3 known exoplanets orbiting this star.
|
|
HD 69830 | ||||||||
| HD 69830 b | 0 AU | 10.2 M⊕ | 3.4 R⊕ | - | |||||
| HD 69830 c | 0.19 AU | 11.8 M⊕ | 3.4 R⊕ | - | |||||
| HD 69830 d | 0.63 AU | 18.1 M⊕ | 4.5 R⊕ | - | |||||
| HD 69830 belt | 1 AU (HZ) | - | |||||||
Comparison
When comparing to the Solar system planets, HD 69830 c has 81 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 214.55 | 14.48 | 11.8 | 107.27 | 0.04 | 0.12 | 0.81 | 0.69 |
|
Size | 8.78 | 3.54 | 3.36 | 6.35 | 0.3 | 0.37 | 0.84 | 0.89 |
|
Density | 0.32 | 0.33 | 0.31 | 0.42 | 1.38 | 2.46 | 1.36 | 0.99 |
|
Distance | 0.48 | 0.26 | 0.19 | 0.12 | 0.04 | 0.02 | 0.01 | 0.01 |
Habitability
Habitable zone of the star: 0.82 - 1.2 AU
The planet is too hot to sustain liquid water.
The planet is bigger than Earth and smaller than Neptune. Its average density 1711 kg/m3 points to a hot gas planet.