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HAT-P-22 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HAT-P-22 b

Confirmed exoplanet · Gas Giant

HAT-P-22 b

Orbiting HAT-P-22

Discovered in 2010 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 HAT-P-22 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,010
Method: Transit
Radius: 12.89035 R⊕
Mass: 785.0401 M⊕
Orbit: 3.21222 days
Distance: 81.7647 pc

Planet profile

Orbit and physical properties

Orbital period: 3.21222 days
Semi-major axis: 0.0414 AU
Eccentricity: 0.02
Radius: 12.89035 Earth radii
Mass: 785.0401 Earth masses
Mass provenance: Mass
Density: 2.14 g/cm³
Equilibrium temperature: 1,463 K
Insolation: 325.569 Earth flux

Host system

Star and system properties

Host star: HAT-P-22
Stars in system: 2
Known planets in system: 1
Spectral type: G5 V
Stellar temperature: 5,302 K
Stellar radius: 1.11 R☉
Stellar mass: 1.13 M☉
Stellar metallicity: 0.24 dex
Stellar age: 12.4 Gyr
Distance: 81.7647 parsecs
Right ascension: 10h22m43.55s
Declination: +50d07m43.36s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,010
Publication date: 2011-12
Discovery locale: Ground
Facility: HATNet
Telescope: Canon 200mm f/1.8L
Instrument: 2K CCD Sensor
NASA Exoplanet Archive: Open composite record ↗

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