Exoplanet

Kepler-189 b

Orbiting Kepler-189

Overview

Kepler-189 b is an exoplanet orbiting the star Kepler-189, discovered in 2014 using the Transit method. It is a Earth-sized world.

Key Measurements

Radius

1.21

Earth radii

015 R⊕

Mass (est.)

1.92

Earth masses

0500 M⊕

Orbital Period

10.4

days

0.1d10,000d

Distance

591.5

parsecs

Nearby10,000 pc

Radius (Earth radii)

1.21

Mass (Earth masses)

1.92

Estimated

Equilibrium Temperature

Unknown

Parameter source: Rowe et al. 2014

Orbital Period

10.400+0.000−0.000days

Semi-Major Axis

0.0880au

Distance from Earth

591.5 pc (~1929 ly)

Spectral Type

Unknown

Temperature

5235 K

Mass (Solar)

Unknown

Radius (Solar)

0.75 R☉

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

287.5646°, 44.3051°

Discovery Method

Transit

Discovery Year

2014

Data Sources
NASA Exoplanet Archive

Source ID: Kepler-189 b

System Context

Kepler-189 b orbits Kepler-189 and was reported in 2014 and was detected with the Transit method.

Published measurements list a radius of 1.21 Earth radii, a mass of 1.92 Earth masses (estimated), and an orbital period of 10.4 days.

Catalog data places the system at about 591.5 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-189

More planets in this system

Kepler-189 c
Kepler-189 b