Exoplanet

K2-209 b

Orbiting K2-209

Overview

K2-209 b is an exoplanet orbiting the star K2-209, discovered in 2018 using the Transit method. It is a Earth-sized world.

Key Measurements

Radius

0.87

Earth radii

015 R⊕

Mass (est.)

0.59

Earth masses

0500 M⊕

Orbital Period

2.1

days

0.1d10,000d

Distance

76.5

parsecs

Nearby10,000 pc

Radius (Earth radii)

0.87

Mass (Earth masses)

0.59

Estimated

Equilibrium Temperature

Unknown

Parameter source: Mayo et al. 2018

Orbital Period

2.081+0.0000.000days

Distance from Earth

76.5 pc (~250 ly)

Spectral Type

Unknown

Temperature

4720 K

Mass (Solar)

0.74 M☉

Radius (Solar)

0.71 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

14.6903°, 1.3828°

Discovery Method

Transit

Discovery Year

2018

Data Sources

Source ID: K2-209 b

System Context

K2-209 b orbits K2-209 and was reported in 2018 and was detected with the Transit method.

Published measurements list a radius of 0.87 Earth radii, a mass of 0.59 Earth masses (estimated), and an orbital period of 2.08 days.

Catalog data places the system at about 76.5 parsecs from Earth 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 K2-209