Kepler-1258 b

A confirmed exoplanet orbiting Kepler-1258.

Compared with Earth

Size
About 86% of Earth's width.
Year
A year here lasts about 24 hours.

Planet

Radius
0.86 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
0.9849 days
Average distance from its star
Unknown

Star

Host star
Kepler-1258
Spectral class
G — sun-like
Surface temperature
5,839 K
Radius
0.99 × Sun
Mass
0.99 × Sun
Age
3.89 billion years

System

Distance from Earth
2,340 light-years (717.6 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.