K2-131 b

A confirmed exoplanet orbiting K2-131.

Compared with Earth

Size
About 1.7 times Earth's width.
Mass
About 7.9 times Earth's mass.
Temperature
About 1,950 °C (3,542 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Starlight
About 4,070 times the starlight Earth gets from the Sun.
Year
A year here lasts about 8.9 hours.

Planet

Radius
1.69 × Earth
Mass
7.9 × Earth
Density
8.8 g/cm³
Equilibrium temperature
2,223 K
Starlight received
4,070 × Earth
Orbital period
0.3693 days
Average distance from its star
0.00936 AU

Star

Host star
K2-131
Spectral class
K — orange dwarf
Surface temperature
5,120 K
Radius
0.7595 × Sun
Mass
0.803 × Sun
Age
5.3 billion years

System

Distance from Earth
497.4 light-years (152.5 parsecs)
Stars in system
1
Known planets
1

Discovery

Year
2017
Method
Transit
Facility
K2

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