Kepler-436 c

A confirmed exoplanet orbiting Kepler-436.

Compared with Earth

Size
About 2.3 times Earth's width.
Year
A year here lasts about 17 Earth days.

Planet

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

Star

Host star
Kepler-436
Spectral class
K — orange dwarf
Surface temperature
4,685 K
Radius
0.71 × Sun
Mass
0.75 × Sun
Age
4.07 billion years

System

Distance from Earth
1,921 light-years (588.9 parsecs)
Stars in system
1
Known planets
2

Discovery

Year
2016
Method
Transit
Facility
Kepler

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