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Missions Planets Black Holes 3D Map Agencies Blog About apexandromeda.com

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HD 202772 A b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 202772 A b

Confirmed exoplanet · Gas Giant

HD 202772 A b

Orbiting HD 202772 A

Discovered in 2019 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 HD 202772 A b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,019
Method: Transit
Radius: 18.237012 R⊕
Mass: 323.549318 M⊕
Orbit: 3.308878 days
Distance: 161.498 pc

Planet profile

Orbit and physical properties

Orbital period: 3.308878 days
Semi-major axis: 0.05208 AU
Eccentricity: 0.03
Radius: 18.237012 Earth radii
Mass: 323.549318 Earth masses
Mass provenance: Mass
Density: 0.293 g/cm³
Equilibrium temperature: 2,181 K
Insolation: 3,770 Earth flux

Host system

Star and system properties

Host star: HD 202772 A
Stars in system: 2
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 6,442 K
Stellar radius: 2.554 R☉
Stellar mass: 1.721 M☉
Stellar metallicity: 0.232 dex
Stellar age: 1.63 Gyr
Distance: 161.498 parsecs
Right ascension: 21h18m47.90s
Declination: -26d36m58.95s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,019
Publication date: 2019-02
Discovery locale: Space
Facility: Transiting Exoplanet Survey Satellite (TESS)
Telescope: 0.1 m TESS Telescope
Instrument: TESS CCD Array
NASA Exoplanet Archive: Open composite record ↗

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