Kepler-1857 b

A confirmed exoplanet orbiting Kepler-1857.

Compared with Earth

Size
About 2 times Earth's width.
Year
A year here lasts about 8.9 Earth days.

Planet

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

Star

Host star
Kepler-1857
Spectral class
F — yellow-white
Surface temperature
6,074 K
Radius
1.005 × Sun
Mass
0.873 × Sun
Age
Unknown

System

Distance from Earth
2,783 light-years (853.3 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2021
Method
Transit
Facility
Kepler

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