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HD 56957 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 56957 b

Confirmed exoplanet · Gas Giant

HD 56957 b

Orbiting HD 56957

Discovered in 2022 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 HD 56957 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,022
Method: Radial Velocity
Radius: 12.8 R⊕
Mass: 1,880.908513 M⊕
Orbit: 5,859.08992 days
Distance: 61.4925 pc

Planet profile

Orbit and physical properties

Orbital period: 5,859.08992 days
Semi-major axis: 6.426 AU
Eccentricity: 0.273
Radius: 12.8 Earth radii
Mass: 1,880.908513 Earth masses
Mass provenance: Mass
Density: 4.93 g/cm³
Equilibrium temperature: 145.67 K
Insolation: 0.075 Earth flux

Host system

Star and system properties

Host star: HD 56957
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,743 K
Stellar radius: 1.77793 R☉
Stellar mass: 1.03 M☉
Stellar metallicity: Not reported by the NASA Exoplanet Archive
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 61.4925 parsecs
Right ascension: 07h17m18.10s
Declination: -40d39m21.83s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,022
Publication date: 2022-09
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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