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Exoplanet Kepler 57 b
Exoplanet Kepler 57 b orbits star Kepler 57 that lies 2141 light years away from the Sun.
It weighs about 118.261 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
2141 light years
2141 light years
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Kepler 57 b
Exoplanet, super-earth
Star: Kepler 57
Orbit around star: 5.729319 days
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Orbital period
Orbital period of exoplanet Kepler 57 b around its star is 5.729319 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: 118.261 M Earth
| 0.3721 M Jupiter
Exoplanet mass
Exoplanet Kepler 57 b has 118.261 Earth masses (or 0.3721 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
Size: 2.354 R Earth | 0.2 R Jupiter
Density: 49986 kg/m3 | 906.69 % Earth
Year of discovery: 2012 (transit)
Other designations of this exoplanet
KOI-1270 b, KIC 8564587 b, 2MASS 19343390+4439253 b, 2MASS J19343390+4439253 b, WISE J193433.91+443925.4 b
KOI-1270 b, KIC 8564587 b, 2MASS 19343390+4439253 b, 2MASS J19343390+4439253 b, WISE J193433.91+443925.4 b
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Kepler 57 system structure
Exoplanet Kepler 57 b orbits star Kepler 57, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
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Kepler 57 | ||||||||
| Kepler 57 b | n/a | 118.3 M⊕ | 2.4 R⊕ | 5.7 days | |||||
| Kepler 57 c | n/a | 7.4 M⊕ | 1.7 R⊕ | 11.6 days | |||||
Comparison
When comparing to the Solar system planets, Kepler 57 b has 1.24 times the mass of Saturn
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 2150.2 | 145.11 | 118.26 | 1075.1 | 0.37 | 1.24 | 8.1 | 6.88 |
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Size | 6.15 | 2.48 | 2.35 | 4.44 | 0.21 | 0.26 | 0.59 | 0.62 |
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Density | 9.25 | 9.54 | 9.07 | 12.27 | 40.18 | 71.77 | 39.74 | 28.92 |