Kepler-173 b

A confirmed exoplanet orbiting Kepler-173.

Compared with Earth

Size
About 1.3 times Earth's width.
Year
A year here lasts about 4.3 Earth days.

Planet

Radius
1.29 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
Unknown
Orbital period
4.264 days
Average distance from its star
0.048 AU

Star

Host star
Kepler-173
Spectral class
F — yellow-white
Surface temperature
6,031 K
Radius
0.949 × Sun
Mass
Unknown
Age
Unknown

System

Distance from Earth
2,717 light-years (833.2 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.