Kepler-189 c

A confirmed exoplanet orbiting Kepler-189.

Compared with Earth

Size
About 2.4 times Earth's width.
Year
A year here lasts about 20 Earth days.

Planet

Radius
2.38 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
20.13 days
Average distance from its star
0.137 AU

Star

Host star
Kepler-189
Spectral class
K — orange dwarf
Surface temperature
5,235 K
Radius
0.75 × Sun
Mass
Unknown
Age
Unknown

System

Distance from Earth
1,929 light-years (591.5 parsecs)
Stars in system
1
Known planets
2

Discovery

Year
2014
Method
Transit
Facility
Kepler

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