K2-351 b

A confirmed exoplanet orbiting K2-351.

Compared with Earth

Size
About 2.5 times Earth's width.
Temperature
About 661 °C (1,222 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 7.8 Earth days.

Planet

Radius
2.54 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
934 K
Starlight received
Unknown
Orbital period
7.806 days
Average distance from its star
Unknown

Star

Host star
K2-351
Spectral class
G — sun-like
Surface temperature
5,769 K
Radius
1.05 × Sun
Mass
1.02 × Sun
Age
Unknown

System

Distance from Earth
2,266 light-years (694.7 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2021
Method
Transit
Facility
K2

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