K2-243 c

A confirmed exoplanet orbiting K2-243.

Compared with Earth

Size
About 2 times Earth's width.
Temperature
About 528 °C (982 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 25 Earth days.

Planet

Radius
2.01 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
801 K
Starlight received
Unknown
Orbital period
24.95 days
Average distance from its star
0.1817 AU

Star

Host star
K2-243
Spectral class
F — yellow-white
Surface temperature
6,570 K
Radius
1.39 × Sun
Mass
1.29 × Sun
Age
Unknown

System

Distance from Earth
870.4 light-years (266.9 parsecs)
Stars in system
1
Known planets
2

Discovery

Year
2018
Method
Transit
Facility
K2

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