Exoplanet

Kepler-117 b

Orbiting Kepler-117

Overview

Kepler-117 b is an exoplanet orbiting the star Kepler-117, discovered in 2014 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

8.06

Earth radii

015 R⊕

Mass

29.88

Earth masses

0500 M⊕

Orbital Period

18.8

days

0.1d10,000d

Distance

1455.6

parsecs

Nearby10,000 pc

Equilibrium Temp

984

K

150 K3,500 K

Radius (Earth radii)

8.06

Mass (Earth masses)

29.88

Measured

Equilibrium Temperature

984 K

Orbital Period

18.80 days

Distance from Earth

1455.6 pc (~4747 ly)

Spectral Type

F8 V

Temperature

6150 K

Mass (Solar)

1.13 M☉

Radius (Solar)

1.61 R☉

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

288.7931°, 48.0402°

Discovery Method

Transit

Discovery Year

2014

Data Sources
NASA Exoplanet Archive

Source ID: Kepler-117 b

System Context

Kepler-117 b orbits Kepler-117 and was reported in 2014 and was detected with the Transit method.

Published measurements list a radius of 8.06 Earth radii, a mass of 29.88 Earth masses, an orbital period of 18.8 days, and an equilibrium temperature near 984 K.

Catalog data places the system at about 1,455.6 parsecs from Earth, a host star classified as F8 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-117

More planets in this system

Kepler-117 c