Kepler-1240 b

A confirmed exoplanet orbiting Kepler-1240.

Compared with Earth

Size
About 1.2 times Earth's width.
Year
A year here lasts about 4.9 Earth days.

Planet

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

Star

Host star
Kepler-1240
Spectral class
G — sun-like
Surface temperature
5,682 K
Radius
0.96 × Sun
Mass
0.98 × Sun
Age
4.07 billion years

System

Distance from Earth
2,812 light-years (862.2 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2016
Method
Transit
Facility
Kepler

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