K2-318 b

A confirmed exoplanet orbiting K2-318.

Compared with Earth

Size
About 1.7 times Earth's width.
Temperature
About 183 °C (361 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 7 Earth days.

Planet

Radius
1.66 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
456 K
Starlight received
Unknown
Orbital period
7.01 days
Average distance from its star
0.0911 AU

Star

Host star
K2-318
Spectral class
M — red dwarf
Surface temperature
3,851 K
Radius
0.552 × Sun
Mass
0.561 × Sun
Age
Unknown

System

Distance from Earth
482.3 light-years (147.9 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2020
Method
Transit
Facility
K2

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