Kepler-1397 b

A confirmed exoplanet orbiting Kepler-1397.

Compared with Earth

Size
About 1.7 times Earth's width.
Year
A year here lasts about 47 Earth days.

Planet

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

Star

Host star
Kepler-1397
Spectral class
F — yellow-white
Surface temperature
6,026 K
Radius
1.12 × Sun
Mass
1.09 × Sun
Age
3.55 billion years

System

Distance from Earth
3,908 light-years (1,198 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.