Exoplanet

Kepler-391 c

Orbiting Kepler-391

Overview

Kepler-391 c is an exoplanet orbiting the star Kepler-391, discovered in 2014 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

2.88

Earth radii

015 R⊕

Mass

450.00

Earth masses

0500 M⊕

Orbital Period

20.5

days

0.1d10,000d

Distance

869.2

parsecs

Nearby10,000 pc

Equilibrium Temp

662

K

150 K3,500 K

Radius (Earth radii)

2.88

Mass (Earth masses)

450.00

Measured

Equilibrium Temperature

662 K

Orbital Period

20.50 days

Distance from Earth

869.2 pc (~2835 ly)

Spectral Type

K2 III-IV

Temperature

5038 K

Mass (Solar)

1.27 M☉

Radius (Solar)

2.88 R☉

Luminosity

0.66 log L☉

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

290.6219°, 51.0573°

Discovery Method

Transit

Discovery Year

2014

Data Sources

Source ID: Kepler-391 c