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Exoplanet HD 18143 A c
Exoplanet HD 18143 A c orbits star HD 18143 A that lies 73 light years away from the Sun.
It weighs about 3178.434 Earth masses and orbits its star further than Earth orbits Sun.
Sun distance
73 light years
73 light years
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HD 18143 A c
Exoplanet, gas giant
Star: HD 18143 A
Distance from the star: 17.53 AU
Orbit around star: 28982.4 days
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Orbital period
Orbital period of exoplanet HD 18143 A c around its star is 28982.4 days (or 79.3 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: 0.194Basic characteristic
Mass: 3178.434 M Earth
| 10.0014 M Jupiter
Exoplanet mass
Exoplanet HD 18143 A c has 3178.434 Earth masses (or 10.0014 Jupiter 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: 2022 (radial velocity)
Other designations of this exoplanet
GJ 9105 c, LDS 883 c, STF 326 c, Gliese 9105 c
GJ 9105 c, LDS 883 c, STF 326 c, Gliese 9105 c
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HD 18143 system structure
Exoplanet HD 18143 A c orbits star HD 18143 A, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
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HD 18143 A | ||||||||
| HD 18143 A b | 0.09 AU | 10.8 M⊕ | 10.3 days | ||||||
| HD 18143 A c | 17.53 AU | 3178.4 M⊕ | 28982.4 days | ||||||
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HD 18143 B | ||||||||
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HD 18143 C | ||||||||
Comparison
When comparing to the Solar system planets, HD 18143 A c has 10 times the mass of Jupiter and it orbits its star a little closer than Uranus.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 57789.71 | 3899.92 | 3178.43 | 28894.85 | 10 | 33.39 | 217.7 | 184.79 |
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Distance | 44.95 | 24.25 | 17.53 | 11.5 | 3.37 | 1.84 | 0.91 | 0.58 |
Habitability
Habitable zone of the star: 0.79 - 1.1 AU
The planet is too cold to sustain liquid water on its surface. It is however possible that there is environment with higher temperatures on some of its potential moons.
The planet is probably a gas giant and has no surface, however life could still be possible on the potential moons orbiting it.