K2-158 c

A confirmed exoplanet orbiting K2-158.

Compared with Earth

Size
About 1.3 times Earth's width.
Temperature
About 675 °C (1,247 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 5.9 Earth days.

Planet

Radius
1.28 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
948 K
Starlight received
Unknown
Orbital period
5.903 days
Average distance from its star
0.0622 AU

Star

Host star
K2-158
Spectral class
G — sun-like
Surface temperature
5,503 K
Radius
0.95 × Sun
Mass
0.92 × Sun
Age
Unknown

System

Distance from Earth
643.5 light-years (197.3 parsecs)
Stars in system
1
Known planets
2

Discovery

Year
2018
Method
Transit
Facility
K2

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