Exoplanet

K2-231 b

Orbiting K2-231

Overview

K2-231 b is an exoplanet orbiting the star K2-231, discovered in 2018 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

2.50

Earth radii

015 R⊕

Mass (est.)

7.24

Earth masses

0500 M⊕

Orbital Period

13.8

days

0.1d10,000d

Distance

321.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

2.50

Mass (Earth masses)

7.24

Estimated

Equilibrium Temperature

Unknown

Parameter source: Curtis et al. 2018

Orbital Period

13.842+0.001−0.001days

Distance from Earth

321.2 pc (~1048 ly)

Spectral Type

Unknown

Temperature

5695 K

Mass (Solar)

1.01 M☉

Radius (Solar)

0.95 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

289.0918°, -15.7712°

Discovery Method

Transit

Discovery Year

2018

Data Sources
NASA Exoplanet Archive

Source ID: K2-231 b

System Context

K2-231 b orbits K2-231 and was reported in 2018 and was detected with the Transit method.

Published measurements list a radius of 2.5 Earth radii, a mass of 7.24 Earth masses (estimated), and an orbital period of 13.84 days.

Catalog data places the system at about 321.2 parsecs from Earth and 1 known planet in the system.

Host star

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

Open K2-231