Exoplanet

WASP-17 b

Orbiting WASP-17

Overview

WASP-17 b is an exoplanet orbiting the star WASP-17, discovered in 2009 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

20.96

Earth radii

015 R⊕

Mass

247.91

Earth masses

0500 M⊕

Orbital Period

3.7

days

0.1d10,000d

Distance

405.9

parsecs

Nearby10,000 pc

Radius (Earth radii)

20.96

Mass (Earth masses)

247.91

Measured

Equilibrium Temperature

Unknown

Parameter source: Stassun et al. 2017

Orbital Period

3.735+0.0000.000days

Planet Mass (Earth masses)

247.91+73.1073.10

Planet Mass (Jupiter masses)

0.7800+0.23000.2300

Eccentricity

0.0000

Radial Velocity Semi-Amplitude

59.20+2.902.90m/s

Distance from Earth

405.9 pc (~1324 ly)

Spectral Type

Unknown

Temperature

6550 K

Mass (Solar)

2.28 M☉

Radius (Solar)

1.49 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

239.9622°, -28.0618°

Discovery Method

Transit

Discovery Year

2009

Data Sources

Source ID: WASP-17 b

System Context

WASP-17 b orbits WASP-17 and was reported in 2009 and was detected with the Transit method.

Published measurements list a radius of 20.96 Earth radii, a mass of 247.91 Earth masses, and an orbital period of 3.74 days.

Catalog data places the system at about 405.9 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-17