Exoplanet

WASP-99 b

Orbiting WASP-99

Overview

WASP-99 b is an exoplanet orbiting the star WASP-99, discovered in 2014 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

11.43

Earth radii

015 R⊕

Mass

772.33

Earth masses

0500 M⊕

Orbital Period

5.8

days

0.1d10,000d

Distance

158.7

parsecs

Nearby10,000 pc

Radius (Earth radii)

11.43

Mass (Earth masses)

772.33

Measured

Equilibrium Temperature

Unknown

Parameter source: Stassun et al. 2017

Orbital Period

5.753+0.000−0.000days

Planet Mass (Earth masses)

772.33+117.60−117.60

Planet Mass (Jupiter masses)

2.4300+0.3700−0.3700

Eccentricity

0.0000

Radial Velocity Semi-Amplitude

242.20+1.70−1.70m/s

Distance from Earth

158.7 pc (~517 ly)

Spectral Type

Unknown

Temperature

6150 K

Mass (Solar)

1.21 M☉

Radius (Solar)

1.64 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

39.8977°, -50.0082°

Discovery Method

Transit

Discovery Year

2014

Data Sources
NASA Exoplanet Archive

Source ID: WASP-99 b

System Context

WASP-99 b orbits WASP-99 and was reported in 2014 and was detected with the Transit method.

Published measurements list a radius of 11.43 Earth radii, a mass of 772.33 Earth masses, and an orbital period of 5.75 days.

Catalog data places the system at about 158.7 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-99