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Exoplanet Gliese 1253 b
Exoplanet Gliese 1253 b orbits star Gliese 1253 that lies 31 light years away from the Sun.
It weighs about 1.259 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
31 light years
31 light years
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Gliese 1253 b
Exoplanet, rocky planet
Star: Gliese 1253
Distance from the star: 0.0672 AU
Orbit around star: 15.564 days
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Orbital period
Orbital period of exoplanet Gliese 1253 b around its star is 15.564 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: 1.259 M Earth
Exoplanet mass
Exoplanet Gliese 1253 b has 1.259 Earth 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
Size: 1.08 R Earth | 0.1 R Jupiter
Density: 5510 kg/m3 | 99.95 % Earth
Temperature: 250 K | -23.15 °C
Year of discovery: 2023 (radial velocity)
Other designations of this exoplanet
LHS 3549 b, NLTT 49289 b, Wolf 1069 b, GJ 1253 b
LHS 3549 b, NLTT 49289 b, Wolf 1069 b, GJ 1253 b
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Gliese 1253 system structure
Exoplanet Gliese 1253 b orbits star Gliese 1253, which has much lower mass than Sun. It is the only known exoplanet orbiting this star
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Gliese 1253 | ||||||||
| Gliese 1253 b | 0.07 AU | 1.3 M⊕ | 1.1 R⊕ | 15.6 days | |||||
Comparison
When comparing to the Solar system planets, Gliese 1253 b has 1.26 times the mass of Earth and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 22.89 | 1.54 | 1.26 | 11.45 | 0 | 0.01 | 0.09 | 0.07 |
|
Size | 2.82 | 1.14 | 1.08 | 2.04 | 0.1 | 0.12 | 0.27 | 0.28 |
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Density | 1.02 | 1.05 | 1 | 1.35 | 4.43 | 7.91 | 4.38 | 3.19 |
|
Distance | 0.17 | 0.09 | 0.07 | 0.04 | 0.01 | 0.01 | 0 | 0 |
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Temperature | 0.57 | 0.34 | 0.87 | 1.2 | 1.53 | 1.88 | 3.21 | 3.47 |
Habitability
Habitable zone of the star: 0.18 - 0.27 AU
The planet is too hot to sustain liquid water.
The planet has mass comparable to Earth.