K2-155 c

A confirmed exoplanet orbiting K2-155.

Compared with Earth

Size
About 2.6 times Earth's width.
Temperature
About 310 °C (590 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 14 Earth days.

Planet

Radius
2.6 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
583 K
Starlight received
Unknown
Orbital period
13.85 days
Average distance from its star
0.0946 AU

Star

Host star
K2-155
Spectral class
K — orange dwarf
Surface temperature
4,258 K
Radius
0.58 × Sun
Mass
0.65 × Sun
Age
Unknown

System

Distance from Earth
237.4 light-years (72.8 parsecs)
Stars in system
1
Known planets
3

Discovery

Year
2018
Method
Transit
Facility
K2

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