Exoplanet

K2-12 b

Orbiting K2-12

Overview

K2-12 b is an exoplanet orbiting the star K2-12, discovered in 2015 using the Transit method. It is a Super-Earth world.

Key Measurements

Radius

2.44

Earth radii

015 R⊕

Mass

5.20

Earth masses

0500 M⊕

Orbital Period

8.3

days

0.1d10,000d

Distance

326.4

parsecs

Nearby10,000 pc

Equilibrium Temp

1026

K

150 K3,500 K

Radius (Earth radii)

2.44

Mass (Earth masses)

5.20

Measured

Equilibrium Temperature

1026 K

Orbital Period

8.28 days

Distance from Earth

326.4 pc (~1065 ly)

Spectral Type

Unknown

Temperature

5672 K

Mass (Solar)

0.96 M☉

Radius (Solar)

1.12 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

173.1919°, 2.2447°

Discovery Method

Transit

Discovery Year

2015

Data Sources
NASA Exoplanet Archive

Source ID: K2-12 b

System Context

K2-12 b orbits K2-12 and was reported in 2015 and was detected with the Transit method.

Published measurements list a radius of 2.44 Earth radii, a mass of 5.2 Earth masses, an orbital period of 8.28 days, and an equilibrium temperature near 1,026 K.

Catalog data places the system at about 326.4 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 K2-12