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HAT-P-2 c | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HAT-P-2 c

Confirmed exoplanet · Gas Giant

HAT-P-2 c

Orbiting HAT-P-2

Discovered in 2023 using Radial Velocity. 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-2 c — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,023
Method: Radial Velocity
Radius: 12.4 R⊕
Mass: 3,400.763955 M⊕
Orbit: 8,500 days
Distance: 127.774 pc

Planet profile

Orbit and physical properties

Orbital period: 8,500 days
Semi-major axis: Not reported by the NASA Exoplanet Archive
Eccentricity: 0.37
Radius: 12.4 Earth radii
Mass: 3,400.763955 Earth masses
Mass provenance: Mass
Density: 9.8 g/cm³
Equilibrium temperature: Not reported by the NASA Exoplanet Archive
Insolation: Not reported by the NASA Exoplanet Archive

Host system

Star and system properties

Host star: HAT-P-2
Stars in system: 1
Known planets in system: 2
Spectral type: F8
Stellar temperature: 6,412 K
Stellar radius: 1.416 R☉
Stellar mass: 1.33 M☉
Stellar metallicity: 0.12 dex
Stellar age: 1.44 Gyr
Distance: 127.774 parsecs
Right ascension: 16h20m36.34s
Declination: +41d02m52.66s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,023
Publication date: 2023-10
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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