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Exoplanet Gliese 3988 b
Exoplanet Gliese 3988 b orbits star Gliese 3988 that lies 32 light years away from the Sun.
It weighs about 3.69 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
32 light years
32 light years
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Gliese 3988 b
Exoplanet
Star: Gliese 3988
Distance from the star: 0.0405 AU
Orbit around star: 6.9442 days
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Orbital period
Orbital period of exoplanet Gliese 3988 b around its star is 6.9442 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: 3.69 M Earth
Exoplanet mass
Exoplanet Gliese 3988 b has 3.69 Earth masses, or 0.25 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
Temperature: 349 K | 75.85 °C
Year of discovery: 2023 (radial velocity)
Other designations of this exoplanet
G 203-42 b, LHS 3262 b, NLTT 44121 b, 2MASS J17032384+5124219 b, GJ 3988 b, Karmn J17033+514 b
G 203-42 b, LHS 3262 b, NLTT 44121 b, 2MASS J17032384+5124219 b, GJ 3988 b, Karmn J17033+514 b
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Gliese 3988 system structure
Exoplanet Gliese 3988 b orbits star Gliese 3988, which has much lower mass than Sun. It is the only known exoplanet orbiting this star
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Gliese 3988 | ||||||||
| Gliese 3988 b | 0.04 AU (HZ) | 3.7 M⊕ | 6.9 days | ||||||
Comparison
When comparing to the Solar system planets, Gliese 3988 b has 25 % 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 | 67.09 | 4.53 | 3.69 | 33.55 | 0.01 | 0.04 | 0.25 | 0.21 |
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Distance | 0.1 | 0.06 | 0.04 | 0.03 | 0.01 | 0 | 0 | 0 |
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Temperature | 0.79 | 0.47 | 1.21 | 1.68 | 2.14 | 2.62 | 4.47 | 4.85 |