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HIP 56640 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HIP 56640 b

Confirmed exoplanet · Gas Giant

HIP 56640 b

Orbiting HIP 56640

Discovered in 2021 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 HIP 56640 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Radial Velocity
Radius: 12.7 R⊕
Mass: 2,151.698315 M⊕
Orbit: 2,675.57603 days
Distance: 122.324 pc

Planet profile

Orbit and physical properties

Orbital period: 2,675.57603 days
Semi-major axis: 4.55 AU
Eccentricity: 0.118
Radius: 12.7 Earth radii
Mass: 2,151.698315 Earth masses
Mass provenance: Mass
Density: 5.77 g/cm³
Equilibrium temperature: 239.37 K
Insolation: 0.542 Earth flux

Host system

Star and system properties

Host star: HIP 56640
Stars in system: 1
Known planets in system: 1
Spectral type: K1 III
Stellar temperature: 4,769 K
Stellar radius: 4.93 R☉
Stellar mass: 1.75 M☉
Stellar metallicity: -0.03 dex
Stellar age: 9.15 Gyr
Distance: 122.324 parsecs
Right ascension: 11h36m48.21s
Declination: -37d02m20.89s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,021
Publication date: 2021-02
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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