Kepler-53 d

A confirmed exoplanet orbiting Kepler-53.

Compared with Earth

Size
About 2.1 times Earth's width.
Year
A year here lasts about 9.8 Earth days.

Planet

Radius
2.12 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
9.752 days
Average distance from its star
0.091 AU

Star

Host star
Kepler-53
Spectral class
F — yellow-white
Surface temperature
6,085 K
Radius
0.958 × Sun
Mass
Unknown
Age
Unknown

System

Distance from Earth
4,456 light-years (1,366 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.