K2-218 b

A confirmed exoplanet orbiting K2-218.

Compared with Earth

Size
About 2.6 times Earth's width.
Year
A year here lasts about 8.7 Earth days.

Planet

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

Star

Host star
K2-218
Spectral class
G — sun-like
Surface temperature
5,757 K
Radius
1.008 × Sun
Mass
1.047 × Sun
Age
Unknown

System

Distance from Earth
1,285 light-years (394.1 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.