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HD 217958 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 217958 b

Confirmed exoplanet · Gas Giant

HD 217958 b

Orbiting HD 217958

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 217958 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,022
Method: Radial Velocity
Radius: 14.2 R⊕
Mass: 166.542085 M⊕
Orbit: 2,560.19774 days
Distance: 61.7957 pc

Planet profile

Orbit and physical properties

Orbital period: 2,560.19774 days
Semi-major axis: 3.758 AU
Eccentricity: 0.156
Radius: 14.2 Earth radii
Mass: 166.542085 Earth masses
Mass provenance: Mass
Density: 0.32 g/cm³
Equilibrium temperature: 169.89 K
Insolation: 0.1388 Earth flux

Host system

Star and system properties

Host star: HD 217958
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,930.64 K
Stellar radius: 1.32619 R☉
Stellar mass: 1.08 M☉
Stellar metallicity: 0.2865 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 61.7957 parsecs
Right ascension: 23h04m32.78s
Declination: -25d41m30.39s

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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