Kepler-1539 b

A confirmed exoplanet orbiting Kepler-1539.

Compared with Earth

Size
About 2.7 times Earth's width.
Year
A year here lasts about 133 Earth days.

Planet

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

Star

Host star
Kepler-1539
Spectral class
K — orange dwarf
Surface temperature
5,176 K
Radius
0.8 × Sun
Mass
0.84 × Sun
Age
4.79 billion years

System

Distance from Earth
2,441 light-years (748.3 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.