Exoplanet

WASP-8 b

Orbiting WASP-8

Overview

WASP-8 b is an exoplanet orbiting the star WASP-8, discovered in 2010 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

12.67

Earth radii

015 R⊕

Mass

807.29

Earth masses

0500 M⊕

Orbital Period

8.2

days

0.1d10,000d

Distance

90.0

parsecs

Nearby10,000 pc

Radius (Earth radii)

12.67

Mass (Earth masses)

807.29

Measured

Equilibrium Temperature

Unknown

Parameter source: Stassun et al. 2017

Orbital Period

8.159+0.0000.000days

Planet Mass (Earth masses)

807.29+104.88104.88

Planet Mass (Jupiter masses)

2.5400+0.33000.3300

Eccentricity

0.3100+0.00000.0000

Radial Velocity Semi-Amplitude

222.20+0.700.70m/s

Distance from Earth

90.0 pc (~293 ly)

Spectral Type

Unknown

Temperature

5600 K

Mass (Solar)

1.34 M☉

Radius (Solar)

1.03 R☉

Luminosity

Unknown

Planets in System

2

Stars in System

2

Coordinates (RA, Dec)

359.9009°, -35.0313°

Discovery Method

Transit

Discovery Year

2010

Data Sources

Source ID: WASP-8 b

System Context

WASP-8 b orbits WASP-8 and was reported in 2010 and was detected with the Transit method.

Published measurements list a radius of 12.67 Earth radii, a mass of 807.29 Earth masses, and an orbital period of 8.16 days.

Catalog data places the system at about 90 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 WASP-8

More planets in this system