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Exoplanet Gamma Antliae b
Exoplanet Gamma Antliae b orbits star Gamma Antliae that lies 72 light years away from the Sun.
It weighs about 17.98 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
72 light years
72 light years
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Gamma Antliae b
Exoplanet
Star: Gamma Antliae
Distance from the star: 0.264 AU
Orbit around star: 49.8 days
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Orbital period
Orbital period of exoplanet Gamma Antliae b around its star is 49.8 days.
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: 17.98 M Earth
Exoplanet mass
Exoplanet Gamma Antliae b has 17.98 Earth masses, or 1.05 times the mass of Neptune.
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: 2009 (radial velocity)
Other designations of this exoplanet
CD–29° 8316 b, GJ 3597 b, Gliese 3597 b, HIC 50921 b, HIP 50921 b, PPM 257610 b, SAO 178771 b, HD 90156 b, LTT 3817 b, 2MASS J10235528-2938441 b, TIC 193032655 b, TYC 6631-431-1 b, WISEA J102355.24-293842.8 b
CD–29° 8316 b, GJ 3597 b, Gliese 3597 b, HIC 50921 b, HIP 50921 b, PPM 257610 b, SAO 178771 b, HD 90156 b, LTT 3817 b, 2MASS J10235528-2938441 b, TIC 193032655 b, TYC 6631-431-1 b, WISEA J102355.24-293842.8 b
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Gamma Antliae system structure
Exoplanet Gamma Antliae b orbits star Gamma Antliae, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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Gamma Antliae | ||||||||
| Gamma Antliae b | 0.26 AU | 18 M⊕ | 49.8 days | ||||||
Comparison
When comparing to the Solar system planets, Gamma Antliae b has 1.05 times the mass of Neptune and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 326.91 | 22.06 | 17.98 | 163.45 | 0.06 | 0.19 | 1.23 | 1.05 |
|
Distance | 0.68 | 0.37 | 0.26 | 0.17 | 0.05 | 0.03 | 0.01 | 0.01 |
Habitability
Habitable zone of the star: 0.91 - 1.3 AU
The planet is too hot to sustain liquid water.