Exoplanet

K2-239 b

Orbiting K2-239

Overview

K2-239 b is an exoplanet orbiting the star K2-239, discovered in 2018 using the Transit method. It is a Earth-sized world.

Key Measurements

Radius

1.10

Earth radii

015 R⊕

Mass (est.)

1.37

Earth masses

0500 M⊕

Orbital Period

5.2

days

0.1d10,000d

Distance

31.1

parsecs

Nearby10,000 pc

Equilibrium Temp

502

K

150 K3,500 K

Radius (Earth radii)

1.10

Mass (Earth masses)

1.37

Estimated

Equilibrium Temperature

502 K

Orbital Period

5.24 days

Distance from Earth

31.1 pc (~101 ly)

Spectral Type

M3.0 V

Temperature

3420 K

Mass (Solar)

0.40 M☉

Radius (Solar)

0.36 R☉

Luminosity

-1.80 log L☉

Planets in System

3

Stars in System

1

Coordinates (RA, Dec)

160.5941°, 4.4414°

Discovery Method

Transit

Discovery Year

2018

Data Sources

Source ID: K2-239 b

System Context

K2-239 b orbits K2-239 and was reported in 2018 and was detected with the Transit method.

Published measurements list a radius of 1.1 Earth radii, a mass of 1.37 Earth masses (estimated), an orbital period of 5.24 days, and an equilibrium temperature near 502 K.

Catalog data places the system at about 31.1 parsecs from Earth, a host star classified as M3.0 V, and 3 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open K2-239

More planets in this system