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WASP-20 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/WASP-20 b

Confirmed exoplanet · Gas Giant

WASP-20 b

Orbiting WASP-20

Discovered in 2015 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic gas giant catalog artwork; not a direct image of WASP-20 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,015
Method: Transit
Radius: 15.468393 R⊕
Mass: 98.841 M⊕
Orbit: 4.899645 days
Distance: 211.877 pc

Planet profile

Orbit and physical properties

Orbital period: 4.899645 days
Semi-major axis: 0.05999 AU
Eccentricity: 0
Radius: 15.468393 Earth radii
Mass: 98.841 Earth masses
Mass provenance: Mass
Density: 0.156491 g/cm³
Equilibrium temperature: 1,362 K
Insolation: 259.864 Earth flux

Host system

Star and system properties

Host star: WASP-20
Stars in system: 2
Known planets in system: 1
Spectral type: F9
Stellar temperature: 5,940 K
Stellar radius: 1.242 R☉
Stellar mass: 1.2 M☉
Stellar metallicity: -0.008 dex
Stellar age: 7 Gyr
Distance: 211.877 parsecs
Right ascension: 00h20m38.53s
Declination: -23d56m08.84s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,015
Publication date: 2015-03
Discovery locale: Ground
Facility: SuperWASP
Telescope: Canon 200mm f/1.8L
Instrument: iKon-L CCD Camera
NASA Exoplanet Archive: Open composite record ↗

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