Kepler-539 c

A confirmed exoplanet orbiting Kepler-539.

Compared with Earth

Mass
About 763 times Earth's mass.
Temperature
About -20 °C (-4 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 2.7 Earth years.

Planet

Radius
Unknown
Mass
762.8 × Earth
Density
Unknown
Equilibrium temperature
253 K
Starlight received
Unknown
Orbital period
1,000 days
Average distance from its star
2.42 AU

Star

Host star
Kepler-539
Spectral class
G — sun-like
Surface temperature
5,820 K
Radius
0.952 × Sun
Mass
1.048 × Sun
Age
Unknown

System

Distance from Earth
1,002 light-years (307.3 parsecs)
Stars in system
1
Known planets
2

Discovery

Year
2016
Method
Transit Timing Variations
Facility
Kepler

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