K2-157 c

A confirmed exoplanet orbiting K2-157.

Compared with Earth

Mass
About 31 times Earth's mass.
Temperature
About 314 °C (597 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 23 times the starlight Earth gets from the Sun.
Year
A year here lasts about 26 Earth days.

Planet

Radius
Unknown
Mass
30.8 × Earth
Density
Unknown
Equilibrium temperature
587 K
Starlight received
22.65 × Earth
Orbital period
25.94 days
Average distance from its star
0.165 AU

Star

Host star
K2-157
Spectral class
G — sun-like
Surface temperature
5,334 K
Radius
0.86 × Sun
Mass
0.89 × Sun
Age
8.8 billion years

System

Distance from Earth
973.2 light-years (298.4 parsecs)
Stars in system
1
Known planets
3

Discovery

Year
2025
Method
Radial Velocity
Facility
Paranal Observatory

Data from the NASA Exoplanet Archive, synced October 14, 2026.