K2-266 c

A confirmed exoplanet orbiting K2-266.

Compared with Earth

Size
About 71% of Earth's width.
Mass
About 29% of Earth's mass.
Temperature
About 391 °C (736 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 32 times the starlight Earth gets from the Sun.
Year
A year here lasts about 7.8 Earth days.

Planet

Radius
0.705 × Earth
Mass
0.2901 × Earth
Density
Unknown
Equilibrium temperature
664.5 K
Starlight received
32.4 × Earth
Orbital period
7.814 days
Average distance from its star
0.0679 AU

Star

Host star
K2-266
Spectral class
K — orange dwarf
Surface temperature
4,285 K
Radius
0.703 × Sun
Mass
0.686 × Sun
Age
Unknown

System

Distance from Earth
253 light-years (77.56 parsecs)
Stars in system
2
Known planets
4

Discovery

Year
2018
Method
Transit
Facility
K2

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