Exoplanet

Kepler-539 b

Orbiting Kepler-539

Overview

Kepler-539 b is an exoplanet orbiting the star Kepler-539, discovered in 2016 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

8.37

Earth radii

015 R⊕

Mass

308.30

Earth masses

0500 M⊕

Orbital Period

125.6

days

0.1d10,000d

Distance

307.3

parsecs

Nearby10,000 pc

Equilibrium Temp

388

K

150 K3,500 K

Radius (Earth radii)

8.37

Mass (Earth masses)

308.30

Measured

Equilibrium Temperature

388 K

Orbital Period

125.63 days

Distance from Earth

307.3 pc (~1002 ly)

Spectral Type

G2 V

Temperature

5820 K

Mass (Solar)

1.05 M☉

Radius (Solar)

0.95 R☉

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

299.1225°, 41.8668°

Discovery Method

Transit

Discovery Year

2016

Data Sources
NASA Exoplanet Archive

Source ID: Kepler-539 b

System Context

Kepler-539 b orbits Kepler-539 and was reported in 2016 and was detected with the Transit method.

Published measurements list a radius of 8.37 Earth radii, a mass of 308.3 Earth masses, an orbital period of 125.63 days, and an equilibrium temperature near 388 K.

Catalog data places the system at about 307.3 parsecs from Earth, a host star classified as G2 V, 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-539

More planets in this system

Kepler-539 c