Kepler-603 b

A confirmed exoplanet orbiting Kepler-603.

Compared with Earth

Size
About 2.7 times Earth's width.
Year
A year here lasts about 21 Earth days.

Planet

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

Star

Host star
Kepler-603
Spectral class
G — sun-like
Surface temperature
5,808 K
Radius
1.01 × Sun
Mass
1.01 × Sun
Age
4.37 billion years

System

Distance from Earth
5,022 light-years (1,540 parsecs)
Stars in system
1
Known planets
3

Discovery

Year
2016
Method
Transit
Facility
Kepler

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