K2-13 b

A confirmed exoplanet orbiting K2-13.

Compared with Earth

Size
About 1.9 times Earth's width.
Temperature
About 238 °C (460 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 40 Earth days.

Planet

Radius
1.89 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
511 K
Starlight received
Unknown
Orbital period
39.91 days
Average distance from its star
0.2114 AU

Star

Host star
K2-13
Spectral class
G — sun-like
Surface temperature
5,698 K
Radius
0.78 × Sun
Mass
0.8 × Sun
Age
Unknown

System

Distance from Earth
1,117 light-years (342.4 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2015
Method
Transit
Facility
K2

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