Exoplanet

Kepler-209 c

Orbiting Kepler-209

Overview

Kepler-209 c is an exoplanet orbiting the star Kepler-209, discovered in 2014 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

3.10

Earth radii

015 R⊕

Mass (est.)

10.43

Earth masses

0500 M⊕

Orbital Period

41.7

days

0.1d10,000d

Distance

576.9

parsecs

Nearby10,000 pc

Radius (Earth radii)

3.10

Mass (Earth masses)

10.43

Estimated

Equilibrium Temperature

Unknown

Parameter source: Rowe et al. 2014

Orbital Period

41.750+0.000−0.000days

Semi-Major Axis

0.2310au

Distance from Earth

576.9 pc (~1882 ly)

Spectral Type

Unknown

Temperature

5513 K

Mass (Solar)

Unknown

Radius (Solar)

0.94 R☉

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

291.1695°, 42.6407°

Discovery Method

Transit

Discovery Year

2014

Data Sources
NASA Exoplanet Archive

Source ID: Kepler-209 c

System Context

Kepler-209 c orbits Kepler-209 and was reported in 2014 and was detected with the Transit method.

Published measurements list a radius of 3.1 Earth radii, a mass of 10.43 Earth masses (estimated), and an orbital period of 41.75 days.

Catalog data places the system at about 576.9 parsecs from Earth 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-209

More planets in this system

Kepler-209 b
Kepler-209 c