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Exoplanet Gliese 777 A b
Exoplanet Gliese 777 A b orbits star Gliese 777 A that lies 52 light years away from the Sun.
It weighs about 495.935 Earth masses and orbits its star further than Earth orbits Sun.
Sun distance
52 light years
52 light years
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Gliese 777 A b
Exoplanet, gas giant
Star: Gliese 777 A
Distance from the star: 4.01 AU
Orbit around star: 2915 days
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Orbital period
Orbital period of exoplanet Gliese 777 A b around its star is 2915 days (or 8 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: 495.935 M Earth
| 1.5605 M Jupiter
Exoplanet mass
Exoplanet Gliese 777 A b has 495.935 Earth masses (or 1.5605 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: 2002 (radial velocity)
Other designations of this exoplanet
BD+29°3872 b, GJ 777 b, HD 190360 b, HIC 98767 b, HIP 98767 b, HR 7670 b, LHS 3510 b, GJ 9683 b, Gliese 9683 b, 2MASS J20033732+2953493 b, TIC 105999792 b, TYC 2153-2883-1 b, WISEA J200337.97+295343.4 b
BD+29°3872 b, GJ 777 b, HD 190360 b, HIC 98767 b, HIP 98767 b, HR 7670 b, LHS 3510 b, GJ 9683 b, Gliese 9683 b, 2MASS J20033732+2953493 b, TIC 105999792 b, TYC 2153-2883-1 b, WISEA J200337.97+295343.4 b
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Gliese 777 system structure
Exoplanet Gliese 777 A b orbits star Gliese 777 A, which has lower mass than Sun. It is one of 3 known exoplanets orbiting this star.
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Gliese 777 A | ||||||||
| Gliese 777 A c | 0.13 AU | 19.1 M⊕ | 17.1 days | ||||||
| Gliese 777 A d | 0.39 AU | 11.5 M⊕ | 2 R⊕ | 88.7 days | |||||
| Gliese 777 A b | 4.01 AU | 495.9 M⊕ | 2915 days | ||||||
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Gliese 777 B | 3000 AU | |||||||
Comparison
When comparing to the Solar system planets, Gliese 777 A b has 1.56 times the mass of Jupiter and it orbits its star a little closer than Jupiter.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 9017 | 608.51 | 495.94 | 4508.5 | 1.56 | 5.21 | 33.97 | 28.83 |
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Distance | 10.28 | 5.55 | 4.01 | 2.63 | 0.77 | 0.42 | 0.21 | 0.13 |
Habitability
Habitable zone of the star: 1.1 - 1.5 AU
The planet is probably a gas giant and has no surface, however life could still be possible on the potential moons orbiting it.