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Exoplanet Gliese 3998 c
Exoplanet Gliese 3998 c orbits star Gliese 3998 that lies 59 light years away from the Sun.
It weighs about 6.263 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
59 light years
59 light years
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Gliese 3998 c
Exoplanet
Star: Gliese 3998
Distance from the star: 0.089 AU
Orbit around star: 13.74 days
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Orbital period
Orbital period of exoplanet Gliese 3998 c around its star is 13.74 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: 6.263 M Earth
Exoplanet mass
Exoplanet Gliese 3998 c has 6.263 Earth masses, or 0.43 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: 2016 (radial velocity)
Other designations of this exoplanet
G 139-23 c, BD+11 3149 c, GJ 3998 c, GSC 00982-00121 c, HIC 84460 c, HIP 84460 c, L 1205-67 c, LTT 15111 c, NLTT 44468 c, 2MASS J17160063+1103274 c, TIC 459558974 c, TYC 982-121-1 c, WISEA J171600.54+110324.0 c
G 139-23 c, BD+11 3149 c, GJ 3998 c, GSC 00982-00121 c, HIC 84460 c, HIP 84460 c, L 1205-67 c, LTT 15111 c, NLTT 44468 c, 2MASS J17160063+1103274 c, TIC 459558974 c, TYC 982-121-1 c, WISEA J171600.54+110324.0 c
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Gliese 3998 system structure
Exoplanet Gliese 3998 c orbits star Gliese 3998, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
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Gliese 3998 | ||||||||
| Gliese 3998 b | 0.03 AU | 2.5 M⊕ | 2.6 days | ||||||
| Gliese 3998 c | 0.09 AU | 6.3 M⊕ | 13.7 days | ||||||
Comparison
When comparing to the Solar system planets, Gliese 3998 c has 43 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 113.87 | 7.68 | 6.26 | 56.94 | 0.02 | 0.07 | 0.43 | 0.36 |
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Distance | 0.23 | 0.12 | 0.09 | 0.06 | 0.02 | 0.01 | 0 | 0 |
Habitability
Habitable zone of the star: 0.26 - 0.38 AU
The planet is too hot to sustain liquid water.