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Exoplanet Gliese 1252 b
Exoplanet Gliese 1252 b orbits star Gliese 1252 that lies 66 light years away from the Sun.
It weighs about 2.1 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
66 light years
66 light years
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Gliese 1252 b
Exoplanet, rocky planet, ultra-short period
Star: Gliese 1252
Distance from the star: 0.009 AU
Orbit around star: 0.518234 days
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Orbital period
Orbital period of exoplanet Gliese 1252 b around its star is 0.518234 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: 2.1 M Earth
Exoplanet mass
Exoplanet Gliese 1252 b has 2.1 Earth masses, or 0.14 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
Size: 1.2 R Earth | 0.1 R Jupiter
Density: 6700 kg/m3 | 121.53 % Earth
Temperature: 1089 K | 815.85 °C
Year of discovery: 2020 (transit)
Other designations of this exoplanet
GJ 1252 b, TIC 370133522 b, TOI 1078 b, L 210-70 b, LHS 492 b
GJ 1252 b, TIC 370133522 b, TOI 1078 b, L 210-70 b, LHS 492 b
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Gliese 1252 system structure
Exoplanet Gliese 1252 b orbits star Gliese 1252, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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Gliese 1252 | ||||||||
| Gliese 1252 b | 0.01 AU | 2.1 M⊕ | 1.2 R⊕ | 0.5 days | |||||
Comparison
When comparing to the Solar system planets, Gliese 1252 b has 14 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 38.18 | 2.58 | 2.1 | 19.09 | 0.01 | 0.02 | 0.14 | 0.12 |
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Size | 3.13 | 1.26 | 1.2 | 2.26 | 0.11 | 0.13 | 0.3 | 0.32 |
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Density | 1.24 | 1.28 | 1.22 | 1.64 | 5.39 | 9.62 | 5.33 | 3.88 |
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Distance | 0.02 | 0.01 | 0.01 | 0.01 | 0 | 0 | 0 | 0 |
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Temperature | 2.48 | 1.48 | 3.78 | 5.24 | 6.68 | 8.19 | 13.96 | 15.13 |
Habitability
Habitable zone of the star: 0.13 - 0.18 AU
The planet is too hot to sustain liquid water.
The planet has mass comparable to Earth.