Kepler-255 c

A confirmed exoplanet orbiting Kepler-255.

Compared with Earth

Size
About 3 times Earth's width.
Year
A year here lasts about 9.9 Earth days.

Planet

Radius
2.99 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
9.946 days
Average distance from its star
0.092 AU

Star

Host star
Kepler-255
Spectral class
G — sun-like
Surface temperature
5,573 K
Radius
0.933 × Sun
Mass
Unknown
Age
Unknown

System

Distance from Earth
3,433 light-years (1,053 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.