Kepler-991 b

A confirmed exoplanet orbiting Kepler-991.

Compared with Earth

Size
About 2.5 times Earth's width.
Year
A year here lasts about 83 Earth days.

Planet

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

Star

Host star
Kepler-991
Spectral class
K — orange dwarf
Surface temperature
4,392 K
Radius
0.61 × Sun
Mass
0.64 × Sun
Age
3.47 billion years

System

Distance from Earth
1,271 light-years (389.6 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.