Exoplanet

Kepler-391 b

Orbiting Kepler-391

Overview

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

Key Measurements

Radius

2.50

Earth radii

015 R⊕

Mass

1100.00

Earth masses

0500 M⊕

Orbital Period

7.4

days

0.1d10,000d

Distance

869.2

parsecs

Nearby10,000 pc

Equilibrium Temp

930

K

150 K3,500 K

Radius (Earth radii)

2.50

Mass (Earth masses)

1100.00

Measured

Equilibrium Temperature

930 K

Orbital Period

7.42 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 b

System Context

Kepler-391 b orbits Kepler-391 and was reported in 2014 and was detected with the Transit method.

Published measurements list a radius of 2.5 Earth radii, a mass of 1,100 Earth masses, an orbital period of 7.42 days, and an equilibrium temperature near 930 K.

Catalog data places the system at about 869.2 parsecs from Earth, a host star classified as K2 III-IV, and 2 known planets in the system.

Host star

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

Open Kepler-391

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