Exoplanet

HD 189733 b

Orbiting HD 189733

Overview

HD 189733 b is an exoplanet orbiting the star HD 189733, discovered in 2005 using the Radial Velocity method. It is a Jupiter-sized world.

Key Measurements

Radius

12.67

Earth radii

015 R⊕

Mass

359.15

Earth masses

0500 M⊕

Orbital Period

2.2

days

0.1d10,000d

Distance

19.8

parsecs

Nearby10,000 pc

Radius (Earth radii)

12.67

Mass (Earth masses)

359.15

Measured

Equilibrium Temperature

Unknown

Orbital Period

2.22 days

Distance from Earth

19.8 pc (~64 ly)

Spectral Type

Unknown

Temperature

5052 K

Mass (Solar)

0.79 M☉

Radius (Solar)

0.75 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

300.1821°, 22.7098°

Discovery Method

Radial Velocity

Discovery Year

2005

Data Sources

Source ID: HD 189733 b

System Context

HD 189733 b orbits HD 189733 and was reported in 2005 and was detected with the Radial Velocity method.

Published measurements list a radius of 12.67 Earth radii, a mass of 359.15 Earth masses, and an orbital period of 2.22 days.

Catalog data places the system at about 19.8 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 HD 189733