Kepler-171 c

A confirmed exoplanet orbiting Kepler-171.

Compared with Earth

Size
About 2.6 times Earth's width.
Year
A year here lasts about 11 Earth days.

Planet

Radius
2.56 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
11.46 days
Average distance from its star
0.098 AU

Star

Host star
Kepler-171
Spectral class
G — sun-like
Surface temperature
5,642 K
Radius
0.839 × Sun
Mass
Unknown
Age
Unknown

System

Distance from Earth
2,818 light-years (863.9 parsecs)
Stars in system
1
Known planets
3

Discovery

Year
2014
Method
Transit
Facility
Kepler

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