K2-245 b

A confirmed exoplanet orbiting K2-245.

Compared with Earth

Size
About 4.3 times Earth's width.
Temperature
About 650 °C (1,202 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 12 Earth days.

Planet

Radius
4.34 × Earth
Mass
Unknown
Density
Unknown
Equilibrium temperature
923 K
Starlight received
Unknown
Orbital period
11.89 days
Average distance from its star
0.0959 AU

Star

Host star
K2-245
Spectral class
G — sun-like
Surface temperature
5,793 K
Radius
1.25 × Sun
Mass
0.83 × Sun
Age
Unknown

System

Distance from Earth
1,487 light-years (456.1 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2018
Method
Transit
Facility
K2

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