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Exoplanet HIP 4845 b
Exoplanet HIP 4845 b orbits star HIP 4845 that lies 69 light years away from the Sun.
It weighs about 14.401 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
69 light years
69 light years
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HIP 4845 b
Exoplanet
Star: HIP 4845
Distance from the star: 0.176 AU
Orbit around star: 34.15 days
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Orbital period
Orbital period of exoplanet HIP 4845 b around its star is 34.15 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: 14.401 M Earth
Exoplanet mass
Exoplanet HIP 4845 b has 14.401 Earth masses, or 0.99 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: 2020 (radial velocity)
Other designations of this exoplanet
HIC 4845 b, BD-11 192 b, GJ 3072 b, Gliese 3072 b, 2MASS J01022113-1025256 b, TIC 24250831 b, TYC 5273-1440-1 b, WISEA J010221.15-102527.7 b
HIC 4845 b, BD-11 192 b, GJ 3072 b, Gliese 3072 b, 2MASS J01022113-1025256 b, TIC 24250831 b, TYC 5273-1440-1 b, WISEA J010221.15-102527.7 b
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HIP 4845 system structure
Exoplanet HIP 4845 b orbits star HIP 4845, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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HIP 4845 | ||||||||
| HIP 4845 b | 0.18 AU | 14.4 M⊕ | 34.2 days | ||||||
Comparison
When comparing to the Solar system planets, HIP 4845 b has 99 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 261.84 | 17.67 | 14.4 | 130.92 | 0.05 | 0.15 | 0.99 | 0.84 |
|
Distance | 0.45 | 0.24 | 0.18 | 0.12 | 0.03 | 0.02 | 0.01 | 0.01 |
Habitability
Habitable zone of the star: 0.45 - 0.64 AU
The planet is too hot to sustain liquid water.