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WASP-81 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/WASP-81 b

Confirmed exoplanet · Gas Giant

WASP-81 b

Orbiting WASP-81

Discovered in 2017 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-81 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,017
Method: Transit
Radius: 16.017661 R⊕
Mass: 231.69807 M⊕
Orbit: 2.716476 days
Distance: 398.505 pc

Planet profile

Orbit and physical properties

Orbital period: 2.716476 days
Semi-major axis: 0.03908 AU
Eccentricity: 0.066
Radius: 16.017661 Earth radii
Mass: 231.69807 Earth masses
Mass provenance: Mass
Density: 0.332 g/cm³
Equilibrium temperature: 1,623 K
Insolation: 1,034.0911 Earth flux

Host system

Star and system properties

Host star: WASP-81
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,870 K
Stellar radius: 1.283 R☉
Stellar mass: 1.08 M☉
Stellar metallicity: -0.36 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 398.505 parsecs
Right ascension: 20h16m49.92s
Declination: +03d17m38.22s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,017
Publication date: 2017-05
Discovery locale: Ground
Facility: Multiple Facilities
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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