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Exoplanet Gliese 717 b
Exoplanet Gliese 717 b orbits star Gliese 717 that lies 89 light years away from the Sun.
It weighs about 206.64 Earth masses and orbits its star further than Earth orbits Sun.
Sun distance
89 light years
89 light years
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Gliese 717 b
Exoplanet
Star: Gliese 717
Distance from the star: 2.36 AU
Orbit around star: 1634 days
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Orbital period
Orbital period of exoplanet Gliese 717 b around its star is 1634 days (or 4.5 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: 206.64 M Earth
| 0.6502 M Jupiter
Exoplanet mass
Exoplanet Gliese 717 b has 206.64 Earth masses (or 0.6502 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: 2014 (radial velocity)
Other designations of this exoplanet
BD-11 4672 b, GSC 05699-02129 b, HIC 90979 b, HIP 90979 b, TIC 217831699 b, 2MASS J18332885-1138097 b, TYC 5699-2129-1 b, Wolf 1462 b, GJ 717 b, Gaia DR2 4154598526336121600 b, NLTT 46650 b, DENIS J183328.8-113809 b, WISEA J183328.62-113812.1 b
BD-11 4672 b, GSC 05699-02129 b, HIC 90979 b, HIP 90979 b, TIC 217831699 b, 2MASS J18332885-1138097 b, TYC 5699-2129-1 b, Wolf 1462 b, GJ 717 b, Gaia DR2 4154598526336121600 b, NLTT 46650 b, DENIS J183328.8-113809 b, WISEA J183328.62-113812.1 b
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Gliese 717 system structure
Exoplanet Gliese 717 b orbits star Gliese 717, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
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Gliese 717 | ||||||||
| Gliese 717 c | 0.3 AU | 15.4 M⊕ | 74.2 days | ||||||
| Gliese 717 b | 2.36 AU | 206.6 M⊕ | 1634 days | ||||||
Comparison
When comparing to the Solar system planets, Gliese 717 b has 65 % of mass of Jupiter and it orbits its star between distances of Mars and Jupiter from the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 3757.09 | 253.55 | 206.64 | 1878.55 | 0.65 | 2.17 | 14.15 | 12.01 |
|
Distance | 6.05 | 3.26 | 2.36 | 1.55 | 0.45 | 0.25 | 0.12 | 0.08 |
Habitability
Habitable zone of the star: 0.33 - 0.48 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.