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Exoplanet HD 82943 b
Exoplanet HD 82943 b orbits star HD 82943 that lies 90 light years away from the Sun.
It weighs about 4609.652 Earth masses and orbits its star further than Earth orbits Sun.
Sun distance
90 light years
90 light years
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HD 82943 b
Exoplanet, brown dwarf
Star: HD 82943
Distance from the star: 1.19 AU
Orbit around star: 441.2 days
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Orbital period
Orbital period of exoplanet HD 82943 b around its star is 441.2 days (or 1.2 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
Basic characteristic
Mass: 4609.652 M Earth
| 14.5049 M Jupiter
Exoplanet mass
Exoplanet HD 82943 b has 4609.652 Earth masses (or 14.5049 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: 2003 (radial velocity)
Other designations of this exoplanet
164 G. Hya b, BD-11 2670 b, HD 82943 b, HIC 47007 b, HIP 47007 b, SAO 155312 b, NLTT 22107 b, 2MASS J09345074-1207462 b, TIC 405485269 b, TYC 5469-1000-1 b
164 G. Hya b, BD-11 2670 b, HD 82943 b, HIC 47007 b, HIP 47007 b, SAO 155312 b, NLTT 22107 b, 2MASS J09345074-1207462 b, TIC 405485269 b, TYC 5469-1000-1 b
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HD 82943 system structure
Exoplanet HD 82943 b orbits star HD 82943, which has bigger mass than Sun. It is one of 3 known exoplanets orbiting this star.
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HD 82943 | ||||||||
| HD 82943 c | 0.75 AU | 4574.7 M⊕ | 219.3 days | ||||||
| HD 82943 b | 1.19 AU | 4609.7 M⊕ | 441.2 days | ||||||
| HD 82943 d | 2.15 AU | 92.2 M⊕ | 1078 days | ||||||
Comparison
When comparing to the Solar system planets, HD 82943 b has % of mass of and it orbits its star between distances of Earth and Mars from the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 83811.85 | 5656.01 | 4609.65 | 41905.93 | 14.5 | 48.42 | 315.73 | 268 |
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Distance | 3.05 | 1.65 | 1.19 | 0.78 | 0.23 | 0.12 | 0.06 | 0.04 |
Habitability
Habitable zone of the star: 1.2 - 1.8 AU
The planet is orbiting on the edge of 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.