Exoplanet

Kepler-139 c

Orbiting Kepler-139

Overview

Kepler-139 c is an exoplanet orbiting the star Kepler-139, discovered in 2014 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

3.38

Earth radii

015 R⊕

Mass (est.)

12.08

Earth masses

0500 M⊕

Orbital Period

157.1

days

0.1d10,000d

Distance

391.0

parsecs

Nearby10,000 pc

Radius (Earth radii)

3.38

Mass (Earth masses)

12.08

Estimated

Equilibrium Temperature

Unknown

Parameter source: Rowe et al. 2014

Orbital Period

157.073+0.0020.002days

Semi-Major Axis

0.5860au

Distance from Earth

391.0 pc (~1275 ly)

Spectral Type

Unknown

Temperature

5594 K

Mass (Solar)

Unknown

Radius (Solar)

1.30 R☉

Luminosity

Unknown

Planets in System

5

Stars in System

1

Coordinates (RA, Dec)

282.3919°, 43.8894°

Discovery Method

Transit

Discovery Year

2014

Data Sources

Source ID: Kepler-139 c

System Context

Kepler-139 c orbits Kepler-139 and was reported in 2014 and was detected with the Transit method.

Published measurements list a radius of 3.38 Earth radii, a mass of 12.08 Earth masses (estimated), and an orbital period of 157.07 days.

Catalog data places the system at about 391 parsecs from Earth and 5 known planets in the system.

Host star

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

Open Kepler-139