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Exoplanet Gliese 685 b
Exoplanet Gliese 685 b orbits star Gliese 685 that lies 47 light years away from the Sun.
It weighs about 8.997 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
47 light years
47 light years
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Gliese 685 b
Exoplanet
Star: Gliese 685
Distance from the star: 0.1344 AU
Orbit around star: 24.16 days
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Orbital period
Orbital period of exoplanet Gliese 685 b around its star is 24.16 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: 8.997 M Earth
Exoplanet mass
Exoplanet Gliese 685 b has 8.997 Earth masses, or 0.62 times the mass of Uranus.
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: 2019 (radial velocity)
Other designations of this exoplanet
GJ 685 b, LHS 3306 b, AC +62 26749 b, G 226-66 b, G 227-9 b, G 240-61 b, HIC 86087 b, HIP 86087 b, LFT 1361 b, LTT 15224 b, NLTT 45156 b, 2MASS J17353445+6140540 b, TIC 219780306 b, TYC 4199-693-1 b, WDS J17350+6153C b, WISEA J173534.84+614048.3 b
GJ 685 b, LHS 3306 b, AC +62 26749 b, G 226-66 b, G 227-9 b, G 240-61 b, HIC 86087 b, HIP 86087 b, LFT 1361 b, LTT 15224 b, NLTT 45156 b, 2MASS J17353445+6140540 b, TIC 219780306 b, TYC 4199-693-1 b, WDS J17350+6153C b, WISEA J173534.84+614048.3 b
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Gliese 685 system structure
Exoplanet Gliese 685 b orbits star Gliese 685, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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26 Draconis A | ||||||||
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26 Draconis B | ||||||||
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Gliese 685 | ||||||||
| Gliese 685 b | 0.13 AU | 9 M⊕ | 24.2 days | ||||||
Comparison
When comparing to the Solar system planets, Gliese 685 b has 62 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 163.58 | 11.04 | 9 | 81.79 | 0.03 | 0.09 | 0.62 | 0.52 |
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Distance | 0.34 | 0.19 | 0.13 | 0.09 | 0.03 | 0.01 | 0.01 | 0 |
Habitability
Habitable zone of the star: 0.3 - 0.44 AU
The planet is too hot to sustain liquid water.