Kepler-378 c

A confirmed exoplanet orbiting Kepler-378.

Compared with Earth

Size
About 70% of Earth's width.
Year
A year here lasts about 29 Earth days.

Planet

Radius
0.7 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
28.91 days
Average distance from its star
0.166 AU

Star

Host star
Kepler-378
Spectral class
K — orange dwarf
Surface temperature
4,661 K
Radius
0.671 × Sun
Mass
Unknown
Age
Unknown

System

Distance from Earth
496.1 light-years (152.1 parsecs)
Stars in system
1
Known planets
2

Discovery

Year
2014
Method
Transit
Facility
Kepler

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