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Exoplanet Kapteyns star c
Exoplanet Kapteyns star c orbits star Kapteyns star that lies 13 light years away from the Sun.
It weighs about 7 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
13 light years
13 light years
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Kapteyns star c
Exoplanet
Star: Kapteyns star
Distance from the star: 0.311 AUBasic characteristic
Mass: 7 M Earth
Exoplanet mass
Exoplanet Kapteyns star c has 7 Earth masses, or 0.48 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
Other designations of this exoplanet
Gliese 191 c, GJ 191 c, VZ Pictoris c, HD 33793 c, CD-45°1841 c, CP(D)-44°612 c, SAO 217223 c, LHS 29 c, LTT 2200 c, LFT 395 c, GCTP 1181 c, HIP 24186 c
Gliese 191 c, GJ 191 c, VZ Pictoris c, HD 33793 c, CD-45°1841 c, CP(D)-44°612 c, SAO 217223 c, LHS 29 c, LTT 2200 c, LFT 395 c, GCTP 1181 c, HIP 24186 c
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Kapteyns star system structure
Exoplanet Kapteyns star c orbits star Kapteyns star, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
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Kapteyns star | ||||||||
| Kapteyns star b | 0.17 AU (HZ) | 4.8 M⊕ | 0 R⊕ | - | |||||
| Kapteyns star c | 0.31 AU | 7 M⊕ | - | ||||||
Comparison
When comparing to the Solar system planets, Kapteyns star c has 48 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 127.27 | 8.59 | 7 | 63.64 | 0.02 | 0.07 | 0.48 | 0.41 |
|
Distance | 0.8 | 0.43 | 0.31 | 0.2 | 0.06 | 0.03 | 0.02 | 0.01 |
Habitability
Habitable zone of the star: 0.14 - 0.2 AU
The planet seems to be close to the outer edge of the habitable zone. It is probably very cold, but environment with higher temperatures might be possible.
News from this star system
22. 05 2021
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