K2-191 b

A confirmed exoplanet orbiting K2-191.

Compared with Earth

Size
About 1.6 times Earth's width.
Year
A year here lasts about 2.9 Earth days.

Planet

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

Star

Host star
K2-191
Spectral class
K — orange dwarf
Surface temperature
5,176 K
Radius
0.8397 × Sun
Mass
0.901 × Sun
Age
Unknown

System

Distance from Earth
936.7 light-years (287.2 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2018
Method
Transit
Facility
K2

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