K2-320 b

A confirmed exoplanet orbiting K2-320.

Compared with Earth

Size
About 2.6 times Earth's width.
Temperature
About 425 °C (797 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 2 Earth days.

Planet

Radius
2.62 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
698 K
Starlight received
Unknown
Orbital period
1.995 days
Average distance from its star
0.0142 AU

Star

Host star
K2-320
Spectral class
M — red dwarf
Surface temperature
3,157 K
Radius
0.3 × Sun
Mass
0.117 × Sun
Age
Unknown

System

Distance from Earth
354.7 light-years (108.7 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.