Kepler-229 d

A confirmed exoplanet orbiting Kepler-229.

Compared with Earth

Size
About 3.9 times Earth's width.
Year
A year here lasts about 41 Earth days.

Planet

Radius
3.85 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
41.19 days
Average distance from its star
0.22 AU

Star

Host star
Kepler-229
Spectral class
K — orange dwarf
Surface temperature
5,120 K
Radius
0.728 × Sun
Mass
Unknown
Age
Unknown

System

Distance from Earth
2,695 light-years (826.3 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.