K2-86 b

A confirmed exoplanet orbiting K2-86.

Compared with Earth

Size
About 2 times Earth's width.
Starlight
About 78 times the starlight Earth gets from the Sun.
Year
A year here lasts about 8.8 Earth days.

Planet

Radius
1.96 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
Unknown
Starlight received
78 × Earth
Orbital period
8.777 days
Average distance from its star
0.077 AU

Star

Host star
K2-86
Spectral class
G — sun-like
Surface temperature
5,482 K
Radius
0.76 × Sun
Mass
0.79 × Sun
Age
Unknown

System

Distance from Earth
843.8 light-years (258.7 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.