Exoplanet

WASP-189 b

Orbiting WASP-189

Overview

WASP-189 b is an exoplanet orbiting the star WASP-189, discovered in 2020 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

18.15

Earth radii

015 R⊕

Mass

632.48

Earth masses

0500 M⊕

Orbital Period

2.7

days

0.1d10,000d

Distance

99.7

parsecs

Nearby10,000 pc

Equilibrium Temp

3353

K

150 K3,500 K

Radius (Earth radii)

18.15

Mass (Earth masses)

632.48

Measured

Equilibrium Temperature

3353 K

Orbital Period

2.72 days

Distance from Earth

99.7 pc (~325 ly)

Spectral Type

Unknown

Temperature

8000 K

Mass (Solar)

2.03 M☉

Radius (Solar)

2.36 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

225.6867°, -3.0315°

Discovery Method

Transit

Discovery Year

2020

Data Sources
NASA Exoplanet Archive

Source ID: WASP-189 b

System Context

WASP-189 b orbits WASP-189 and was reported in 2020 and was detected with the Transit method.

Published measurements list a radius of 18.15 Earth radii, a mass of 632.48 Earth masses, an orbital period of 2.72 days, and an equilibrium temperature near 3,353 K.

Catalog data places the system at about 99.7 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 WASP-189