K2-37 d

A confirmed exoplanet orbiting K2-37.

Compared with Earth

Size
About 2.3 times Earth's width.
Mass
About 13 times Earth's mass.
Temperature
About 373 °C (703 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 41 times the starlight Earth gets from the Sun.
Year
A year here lasts about 14 Earth days.

Planet

Radius
2.31 × Earth
Mass
12.5 × Earth
Density
4.7 g/cm³
Equilibrium temperature
646 K
Starlight received
41.3 × Earth
Orbital period
14.09 days
Average distance from its star
Unknown

Star

Host star
K2-37
Spectral class
G — sun-like
Surface temperature
5,352 K
Radius
0.809 × Sun
Mass
0.84 × Sun
Age
Unknown

System

Distance from Earth
586.9 light-years (179.9 parsecs)
Stars in system
1
Known planets
3

Discovery

Year
2016
Method
Transit
Facility
K2

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