Exoplanet

Kepler-103 c

Orbiting Kepler-103

Overview

Kepler-103 c is an exoplanet orbiting the star Kepler-103, discovered in 2014 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

5.45

Earth radii

015 R⊕

Mass

58.47

Earth masses

0500 M⊕

Orbital Period

179.6

days

0.1d10,000d

Distance

494.8

parsecs

Nearby10,000 pc

Radius (Earth radii)

5.45

Mass (Earth masses)

58.47

Measured

Equilibrium Temperature

Unknown

Parameter source: Dubber et al. 2019

Orbital Period

179.610+0.000−0.000days

Semi-Major Axis

0.6679+0.0193−0.0082au

Planet Mass (Earth masses)

58.47+11.17−11.43

Planet Mass (Jupiter masses)

0.1840+0.0351−0.0360

Eccentricity

0.1030+0.0920−0.0680

Argument of Periastron

-15.6+84.1−59.9deg

Radial Velocity Semi-Amplitude

5.90+1.11−1.13m/s

Distance from Earth

494.8 pc (~1614 ly)

Spectral Type

G2

Temperature

6047 K

Mass (Solar)

1.21 M☉

Radius (Solar)

1.49 R☉

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

288.9846°, 40.0645°

Discovery Method

Transit

Discovery Year

2014

Data Sources
NASA Exoplanet Archive

Source ID: Kepler-103 c

System Context

Kepler-103 c orbits Kepler-103 and was reported in 2014 and was detected with the Transit method.

Published measurements list a radius of 5.45 Earth radii, a mass of 58.47 Earth masses, and an orbital period of 179.61 days.

Catalog data places the system at about 494.8 parsecs from Earth, a host star classified as G2, 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-103

More planets in this system

Kepler-103 b