Exoplanet

Kepler-12 b

Orbiting Kepler-12

Overview

Kepler-12 b is an exoplanet orbiting the star Kepler-12, discovered in 2011 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

19.66

Earth radii

015 R⊕

Mass

137.30

Earth masses

0500 M⊕

Orbital Period

4.4

days

0.1d10,000d

Distance

881.4

parsecs

Nearby10,000 pc

Equilibrium Temp

1480

K

150 K3,500 K

Radius (Earth radii)

19.66

Mass (Earth masses)

137.30

Measured

Equilibrium Temperature

1480 K

Orbital Period

4.44 days

Distance from Earth

881.4 pc (~2875 ly)

Spectral Type

Unknown

Temperature

5947 K

Mass (Solar)

1.17 M☉

Radius (Solar)

1.48 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

286.2434°, 50.0404°

Discovery Method

Transit

Discovery Year

2011

Data Sources
NASA Exoplanet Archive

Source ID: Kepler-12 b

System Context

Kepler-12 b orbits Kepler-12 and was reported in 2011 and was detected with the Transit method.

Published measurements list a radius of 19.66 Earth radii, a mass of 137.3 Earth masses, an orbital period of 4.44 days, and an equilibrium temperature near 1,480 K.

Catalog data places the system at about 881.4 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 Kepler-12