K2-354 b

A confirmed exoplanet orbiting K2-354.

Compared with Earth

Size
About 1.6 times Earth's width.
Temperature
About 270 °C (518 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 3.8 Earth days.

Planet

Radius
1.56 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
543 K
Starlight received
Unknown
Orbital period
3.793 days
Average distance from its star
Unknown

Star

Host star
K2-354
Spectral class
M — red dwarf
Surface temperature
3,669 K
Radius
0.41 × Sun
Mass
0.43 × Sun
Age
Unknown

System

Distance from Earth
299.2 light-years (91.72 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.