K2-43 c

A confirmed exoplanet orbiting K2-43.

Compared with Earth

Size
About 2.4 times Earth's width.
Temperature
About 821 °C (1,509 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 2.2 Earth days.

Planet

Radius
2.42 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
1,094 K
Starlight received
Unknown
Orbital period
2.199 days
Average distance from its star
Unknown

Star

Host star
K2-43
Spectral class
M — red dwarf
Surface temperature
3,841 K
Radius
0.542 × Sun
Mass
0.571 × Sun
Age
Unknown

System

Distance from Earth
595.4 light-years (182.5 parsecs)
Stars in system
1
Known planets
2

Discovery

Year
2019
Method
Transit
Facility
K2

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