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Exoplanet HD 4308 b
Exoplanet HD 4308 b orbits star HD 4308 that lies 72 light years away from the Sun.
It weighs about 14.051 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
72 light years
72 light years
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HD 4308 b
Exoplanet
Star: HD 4308
Distance from the star: 0.115 AU
Orbit around star: 15.56 days
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Orbital period
Orbital period of exoplanet HD 4308 b around its star is 15.56 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: 14.051 M Earth
Exoplanet mass
Exoplanet HD 4308 b has 14.051 Earth masses, or 0.96 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: 2005 (radial velocity)
Other designations of this exoplanet
BD−27°223 b, GC 897 b, GJ 31.5 b, Gliese 31.5 b, GJ 9028 b, Gliese 9028 b, HD 4308 b, HIC 3497 b, HIP 3497 b, SAO 248244 b, PPM 352003 b, LFT 71 b, LHS 1139 b, LPM 40 b, LTT 416 b, TYC 8847-598-1 b, GCRV 50662 b, 2MASS J00443925-6538581 b, TIC 234501204 b, WISEA J004439.51-653905.9 b
BD−27°223 b, GC 897 b, GJ 31.5 b, Gliese 31.5 b, GJ 9028 b, Gliese 9028 b, HD 4308 b, HIC 3497 b, HIP 3497 b, SAO 248244 b, PPM 352003 b, LFT 71 b, LHS 1139 b, LPM 40 b, LTT 416 b, TYC 8847-598-1 b, GCRV 50662 b, 2MASS J00443925-6538581 b, TIC 234501204 b, WISEA J004439.51-653905.9 b
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Comparison
When comparing to the Solar system planets, HD 4308 b has 96 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 255.47 | 17.24 | 14.05 | 127.74 | 0.04 | 0.15 | 0.96 | 0.82 |
|
Distance | 0.29 | 0.16 | 0.12 | 0.08 | 0.02 | 0.01 | 0.01 | 0 |
Habitability
Habitable zone of the star: 0.97 - 1.4 AU
The planet is too hot to sustain liquid water.