Kepler-387 b

A confirmed exoplanet orbiting Kepler-387.

Compared with Earth

Size
Almost exactly Earth's width.
Year
A year here lasts about 6.8 Earth days.

Planet

Radius
1.03 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
6.792 days
Average distance from its star
0.068 AU

Star

Host star
Kepler-387
Spectral class
G — sun-like
Surface temperature
5,774 K
Radius
1.046 × Sun
Mass
Unknown
Age
Unknown

System

Distance from Earth
2,613 light-years (801.1 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.