Kepler-1540 b

A confirmed exoplanet orbiting Kepler-1540.

Compared with Earth

Size
About 2.5 times Earth's width.
Year
A year here lasts about 125 Earth days.

Planet

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

Star

Host star
Kepler-1540
Spectral class
K — orange dwarf
Surface temperature
4,540 K
Radius
0.69 × Sun
Mass
0.74 × Sun
Age
2.51 billion years

System

Distance from Earth
799 light-years (245 parsecs)
Stars in system
2
Known planets
1

Discovery

Year
2016
Method
Transit
Facility
Kepler

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