Exoplanet

WASP-12 b

Orbiting WASP-12

Overview

WASP-12 b is an exoplanet orbiting the star WASP-12, discovered in 2008 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

22.03

Earth radii

015 R⊕

Mass (est.)

291.18

Earth masses

0500 M⊕

Orbital Period

1.1

days

0.1d10,000d

Distance

427.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

22.03

Mass (Earth masses)

291.18

Estimated

Equilibrium Temperature

Unknown

Parameter source: Leonardi et al. 2024

Orbital Period

1.091+0.000−0.000days

Semi-Major Axis

0.0234+0.0010−0.0010au

Distance from Earth

427.2 pc (~1393 ly)

Spectral Type

Unknown

Temperature

6265 K

Mass (Solar)

1.32 M☉

Radius (Solar)

1.69 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

3

Coordinates (RA, Dec)

97.6366°, 29.6723°

Discovery Method

Transit

Discovery Year

2008

Data Sources
NASA Exoplanet Archive

Source ID: WASP-12 b

System Context

WASP-12 b orbits WASP-12 and was reported in 2008 and was detected with the Transit method.

Published measurements list a radius of 22.03 Earth radii, a mass of 291.18 Earth masses (estimated), and an orbital period of 1.09 days.

Catalog data places the system at about 427.2 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-12