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Exoplanet K2-157 c
Exoplanet K2-157 c orbits star K2-157 that lies 946 light years away from the Sun.
It weighs about 30.8 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
946 light years
946 light years
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K2-157 c
Exoplanet
Star: K2-157
Distance from the star: 0.1650 AU
Orbit around star: 25.942 days
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Orbital period
Orbital period of exoplanet K2-157 c around its star is 25.942 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: 30.8 M Earth
| 0.0969 M Jupiter
Exoplanet mass
Exoplanet K2-157 c has 30.8 Earth masses (or 0.0969 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
Temperature: 587 K | 313.85 °C
Year of discovery: 2025 (radial velocity)
Other designations of this exoplanet
EPIC 201130233 c, TIC 349445372 c, UCAC4 422-055378 c, Gaia DR3 3596333042162818304 c
EPIC 201130233 c, TIC 349445372 c, UCAC4 422-055378 c, Gaia DR3 3596333042162818304 c
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Comparison
When comparing to the Solar system planets, K2-157 c has 32 % of mass of Saturn and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 560 | 37.79 | 30.8 | 280 | 0.1 | 0.32 | 2.11 | 1.79 |
|
Distance | 0.42 | 0.23 | 0.17 | 0.11 | 0.03 | 0.02 | 0.01 | 0.01 |
|
Temperature | 1.33 | 0.8 | 2.04 | 2.82 | 3.6 | 4.41 | 7.53 | 8.15 |
Habitability
Habitable zone of the star: 0.81 - 1.2 AU
The planet is too hot to sustain liquid water.