Exoplanet

Kepler-39 b

Orbiting Kepler-39

Overview

Kepler-39 b is an exoplanet orbiting the star Kepler-39, discovered in 2011 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

13.90

Earth radii

015 R⊕

Mass

6388.10

Earth masses

0500 M⊕

Orbital Period

21.1

days

0.1d10,000d

Distance

1057.4

parsecs

Nearby10,000 pc

Equilibrium Temp

897

K

150 K3,500 K

Radius (Earth radii)

13.90

Mass (Earth masses)

6388.10

Measured

Equilibrium Temperature

897 K

Parameter source: Bonomo et al. 2015

Orbital Period

21.087+0.000−0.000days

Semi-Major Axis

0.1640+0.0030−0.0030au

Planet Mass (Earth masses)

6388.10+413.20−381.40

Planet Mass (Jupiter masses)

20.1000+1.3000−1.3000

Eccentricity

0.1120+0.0570−0.0570

Argument of Periastron

99.0+22.0−14.0deg

Radial Velocity Semi-Amplitude

1257.00+64.00−64.00m/s

Distance from Earth

1057.4 pc (~3449 ly)

Spectral Type

F7 V

Temperature

6350 K

Mass (Solar)

1.29 M☉

Radius (Solar)

1.40 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

296.9603°, 46.0343°

Discovery Method

Transit

Discovery Year

2011

Data Sources
NASA Exoplanet Archive

Source ID: Kepler-39 b

System Context

Kepler-39 b orbits Kepler-39 and was reported in 2011 and was detected with the Transit method.

Published measurements list a radius of 13.9 Earth radii, a mass of 6,388.1 Earth masses, an orbital period of 21.09 days, and an equilibrium temperature near 897 K.

Catalog data places the system at about 1,057.4 parsecs from Earth, a host star classified as F7 V, 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-39
Kepler-39 b