Kepler-873 b

A confirmed exoplanet orbiting Kepler-873.

Compared with Earth

Size
About 3.8 times Earth's width.
Year
A year here lasts about 21 Earth days.

Planet

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

Star

Host star
Kepler-873
Spectral class
F — yellow-white
Surface temperature
6,163 K
Radius
1.27 × Sun
Mass
1.18 × Sun
Age
2.95 billion years

System

Distance from Earth
3,856 light-years (1,182 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.