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Exoplanet HIP 57274 b
Exoplanet HIP 57274 b orbits star HIP 57274 that lies 84 light years away from the Sun.
It weighs about 11.6 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
84 light years
84 light years
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HIP 57274 b
Exoplanet
Star: HIP 57274
Distance from the star: 0.0713 AU
Orbit around star: 8.1352 days
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Orbital period
Orbital period of exoplanet HIP 57274 b around its star is 8.1352 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: 11.6 M Earth
Exoplanet mass
Exoplanet HIP 57274 b has 11.6 Earth masses, or 0.79 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: 2011 (radial velocity)
Other designations of this exoplanet
BD+31 2290 b, HIC 57274 b, G 148-4 b, G 121-13 b, G 147-70 b, AG+31 1103 b, BD+31 2290 b, GJ 439 b, Gliese 439 b, LTT 13227 b, NLTT 28405 b, 2MASS J11444095+3057339 b, SAO 62684 b, TIC 5078530 b, TYC 2524-2128-1 b, WISEA J114440.93+305729.2 b
BD+31 2290 b, HIC 57274 b, G 148-4 b, G 121-13 b, G 147-70 b, AG+31 1103 b, BD+31 2290 b, GJ 439 b, Gliese 439 b, LTT 13227 b, NLTT 28405 b, 2MASS J11444095+3057339 b, SAO 62684 b, TIC 5078530 b, TYC 2524-2128-1 b, WISEA J114440.93+305729.2 b
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HIP 57274 system structure
Exoplanet HIP 57274 b orbits star HIP 57274, which has lower mass than Sun. It is one of 3 known exoplanets orbiting this star.
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HIP 57274 | ||||||||
| HIP 57274 b | 0.07 AU | 11.6 M⊕ | 8.1 days | ||||||
| HIP 57274 c | 0.18 AU | 130.3 M⊕ | 32 days | ||||||
| HIP 57274 d | 1.01 AU | 168.5 M⊕ | 431.7 days | ||||||
Comparison
When comparing to the Solar system planets, HIP 57274 b has 79 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 210.91 | 14.23 | 11.6 | 105.45 | 0.04 | 0.12 | 0.79 | 0.67 |
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Distance | 0.18 | 0.1 | 0.07 | 0.05 | 0.01 | 0.01 | 0 | 0 |