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Exoplanet HD 113538 b
Exoplanet HD 113538 b orbits star HD 113538 that lies 53 light years away from the Sun.
It weighs about 114.447 Earth masses and orbits its star further than Earth orbits Sun.
Sun distance
53 light years
53 light years
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HD 113538 b
Exoplanet, gas giant
Star: HD 113538
Distance from the star: 1.24 AU
Orbit around star: 663.2 days
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Orbital period
Orbital period of exoplanet HD 113538 b around its star is 663.2 days (or 1.8 years).
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
Eccentricity: 0.14Basic characteristic
Mass: 114.447 M Earth
| 0.3601 M Jupiter
Exoplanet mass
Exoplanet HD 113538 b has 114.447 Earth masses (or 0.3601 Jupiter 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
Year of discovery: 2010 (radial velocity)
Other designations of this exoplanet
CD−51 7244 b, GJ 496.1 b, Gliese 496.1 b, GJ 9425 b, Glises 9425 b, HD 113538 b, HIC 63833 b, HIP 63833 b, LFT 966 b, LHS 344 b
CD−51 7244 b, GJ 496.1 b, Gliese 496.1 b, GJ 9425 b, Glises 9425 b, HD 113538 b, HIC 63833 b, HIP 63833 b, LFT 966 b, LHS 344 b
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HD 113538 system structure
Exoplanet HD 113538 b orbits star HD 113538, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
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HD 113538 | ||||||||
| HD 113538 b | 1.24 AU | 114.4 M⊕ | 663.2 days | ||||||
| HD 113538 c | 2.44 AU | 295.7 M⊕ | 1818 days | ||||||
Comparison
When comparing to the Solar system planets, HD 113538 b has 1.2 times the mass of Saturn and it orbits its star a little closer than Mars.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 2080.85 | 140.43 | 114.45 | 1040.43 | 0.36 | 1.2 | 7.84 | 6.65 |
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Distance | 3.18 | 1.72 | 1.24 | 0.81 | 0.24 | 0.13 | 0.06 | 0.04 |
Habitability
Habitable zone of the star: 0.31 - 0.44 AU
The planet is too cold to sustain liquid water on its surface. It is however possible that there is environment with higher temperatures on some of its potential moons.
The planet is probably a gas giant and has no surface, however life could still be possible on the potential moons orbiting it.