K2-332 b

A confirmed exoplanet orbiting K2-332.

Compared with Earth

Size
About 2.2 times Earth's width.
Temperature
About -7 °C (19 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 18 Earth days.

Planet

Radius
2.2 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
266 K
Starlight received
Unknown
Orbital period
17.71 days
Average distance from its star
Unknown

Star

Host star
K2-332
Spectral class
M — red dwarf
Surface temperature
3,315 K
Radius
0.28 × Sun
Mass
0.27 × Sun
Age
Unknown

System

Distance from Earth
401.8 light-years (123.2 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.