Kepler-491 b

A confirmed exoplanet orbiting Kepler-491.

Compared with Earth

Size
About 8.9 times Earth's width.
Year
A year here lasts about 4.2 Earth days.

Planet

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

Star

Host star
Kepler-491
Spectral class
G — sun-like
Surface temperature
5,582 K
Radius
1.03 × Sun
Mass
1.04 × Sun
Age
4.47 billion years

System

Distance from Earth
2,057 light-years (630.8 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.