Kepler-255 d

A confirmed exoplanet orbiting Kepler-255.

Compared with Earth

Size
About 1.3 times Earth's width.
Year
A year here lasts about 1 Earth day.

Planet

Radius
1.32 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
1.046 days
Average distance from its star
Unknown

Star

Host star
Kepler-255
Spectral class
G — sun-like
Surface temperature
5,431 K
Radius
0.86 × Sun
Mass
0.9 × Sun
Age
4.37 billion years

System

Distance from Earth
3,433 light-years (1,053 parsecs)
Stars in system
1
Known planets
3

Discovery

Year
2016
Method
Transit
Facility
Kepler

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