Kepler-54 d

A confirmed exoplanet orbiting Kepler-54.

Compared with Earth

Size
About 1.5 times Earth's width.
Year
A year here lasts about 21 Earth days.

Planet

Radius
1.53 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
21 days
Average distance from its star
0.126 AU

Star

Host star
Kepler-54
Spectral class
K — orange dwarf
Surface temperature
4,252 K
Radius
0.554 × Sun
Mass
Unknown
Age
Unknown

System

Distance from Earth
886.2 light-years (271.7 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.