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Exoplanet b Centauri A b
Exoplanet b Centauri A b orbits star b Centauri A that lies 339 light years away from the Sun.
It weighs about 3465.186 Earth masses and orbits its star further than Earth orbits Sun.
Sun distance
339 light years
339 light years
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b Centauri A b
Exoplanet, gas giant
Star: b Centauri A
Distance from the star: 556 AU
Orbit around star: 1800000 days
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Orbital period
Orbital period of exoplanet b Centauri A b around its star is 1800000 days (or 4928.1 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: 3465.186 M Earth
| 10.9037 M Jupiter
Exoplanet mass
Exoplanet b Centauri A b has 3465.186 Earth masses (or 10.9037 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: 2000 (imaging)
Other designations of this exoplanet
b Cen b, HIP 71865 b, HIC 71865 b, HD 129116 b, CD−37°9618 b, FK5 2985 b, GC 19779 b, HR 5471 b, SAO 205839 b
b Cen b, HIP 71865 b, HIC 71865 b, HD 129116 b, CD−37°9618 b, FK5 2985 b, GC 19779 b, HR 5471 b, SAO 205839 b
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b Centauri system structure
Exoplanet b Centauri A b orbits star b Centauri A, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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b Centauri A | ||||||||
| b Centauri A b | 556 AU | 3465.2 M⊕ | 1800000 days | ||||||
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b Centauri B | ||||||||
Comparison
When comparing to the Solar system planets, b Centauri A b has 10.9 times the mass of Jupiter and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 63003.38 | 4251.76 | 3465.19 | 31501.69 | 10.9 | 36.4 | 237.34 | 201.46 |
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Distance | 1425.64 | 769.02 | 556 | 364.83 | 106.86 | 58.29 | 28.99 | 18.5 |
Habitability
Habitable zone of the star: 218.9 - 315.4 AU
The planet is probably a gas giant and has no surface, however life could still be possible on the potential moons orbiting it.
News from this star system
09. 12 2021
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