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Exoplanet Gliese 436 b
Exoplanet Gliese 436 b orbits star Gliese 436 that lies 32 light years away from the Sun.
It weighs about 21.36 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 436 b
Exoplanet
Star: Gliese 436
Distance from the star: 0.028 AUBasic characteristic
Mass: 21.36 M Earth
Exoplanet mass
Exoplanet Gliese 436 b has 21.36 Earth masses, or 1.24 times the mass of Neptune.
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: 4.33 R Earth | 0.4 R Jupiter
Density: 1451 kg/m3 | 26.32 % Earth
Other designations of this exoplanet
2MASS J11421096+2642251 b, GJ 436 b, HIP 57087 b, LTT 13213 b, LHS 310 b, Ross 905 b, G 120-68 b, LFT 838 b, NLTT 28288 b, WISEA J114211.79+264215.1 b
2MASS J11421096+2642251 b, GJ 436 b, HIP 57087 b, LTT 13213 b, LHS 310 b, Ross 905 b, G 120-68 b, LFT 838 b, NLTT 28288 b, WISEA J114211.79+264215.1 b
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Gliese 436 system structure
Exoplanet Gliese 436 b orbits star Gliese 436, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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Gliese 436 | ||||||||
| Gliese 436 b | 0.03 AU | 21.4 M⊕ | 4.3 R⊕ | - | |||||
Comparison
When comparing to the Solar system planets, Gliese 436 b has 1.24 times the mass of Neptune and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 388.36 | 26.21 | 21.36 | 194.18 | 0.07 | 0.22 | 1.46 | 1.24 |
|
Size | 11.31 | 4.56 | 4.33 | 8.17 | 0.39 | 0.48 | 1.08 | 1.14 |
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Density | 0.27 | 0.28 | 0.26 | 0.36 | 1.17 | 2.08 | 1.15 | 0.84 |
|
Distance | 0.07 | 0.04 | 0.03 | 0.02 | 0.01 | 0 | 0 | 0 |
Habitability
Habitable zone of the star: 0.16 - 0.22 AU
The planet is too hot to sustain liquid water.