K2-91 b

A confirmed exoplanet orbiting K2-91.

Compared with Earth

Size
About 1.1 times Earth's width.
Starlight
About 46 times the starlight Earth gets from the Sun.
Year
A year here lasts about 1.4 Earth days.

Planet

Radius
1.1 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
46 × Earth
Orbital period
1.42 days
Average distance from its star
0.0164 AU

Star

Host star
K2-91
Spectral class
M — red dwarf
Surface temperature
3,622 K
Radius
0.284 × Sun
Mass
0.292 × Sun
Age
Unknown

System

Distance from Earth
204.1 light-years (62.58 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2016
Method
Transit
Facility
K2

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