Kepler-397 c

A confirmed exoplanet orbiting Kepler-397.

Compared with Earth

Size
About 6.2 times Earth's width.
Year
A year here lasts about 135 Earth days.

Planet

Radius
6.18 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
135.5 days
Average distance from its star
0.48 AU

Star

Host star
Kepler-397
Spectral class
G — sun-like
Surface temperature
5,307 K
Radius
0.767 × Sun
Mass
Unknown
Age
Unknown

System

Distance from Earth
Unknown
Stars in system
1
Known planets
2

Discovery

Year
2014
Method
Transit
Facility
Kepler

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