K2-8 c

A confirmed exoplanet orbiting K2-8.

Compared with Earth

Size
About 2.4 times Earth's width.
Temperature
About 528 °C (982 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 98 times the starlight Earth gets from the Sun.
Year
A year here lasts about 5.1 Earth days.

Planet

Radius
2.41 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
801 K
Starlight received
97.8 × Earth
Orbital period
5.064 days
Average distance from its star
0.0532 AU

Star

Host star
K2-8
Spectral class
K — orange dwarf
Surface temperature
4,870 K
Radius
0.74 × Sun
Mass
0.78 × Sun
Age
Unknown

System

Distance from Earth
1,316 light-years (403.5 parsecs)
Stars in system
1
Known planets
2

Discovery

Year
2016
Method
Transit
Facility
K2

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