K2-290 c

A confirmed exoplanet orbiting K2-290.

Compared with Earth

Size
About 11 times Earth's width.
Mass
About 246 times Earth's mass.
Temperature
About 403 °C (757 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Year
A year here lasts about 48 Earth days.

Planet

Radius
11.28 × Earth
Mass
246 × Earth
Density
1.01 g/cm³
Equilibrium temperature
676 K
Starlight received
Unknown
Orbital period
48.37 days
Average distance from its star
0.305 AU

Star

Host star
K2-290
Spectral class
F — yellow-white
Surface temperature
6,302 K
Radius
1.511 × Sun
Mass
1.194 × Sun
Age
4 billion years

System

Distance from Earth
890.1 light-years (272.9 parsecs)
Stars in system
3
Known planets
2

Discovery

Year
2019
Method
Transit
Facility
K2

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