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HD 331093 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 331093 b

Confirmed exoplanet · Gas Giant

HD 331093 b

Orbiting HD 331093

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 HD 331093 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Radial Velocity
Radius: 13.6 R⊕
Mass: 476.742611 M⊕
Orbit: 621.62 days
Distance: 50.1928 pc

Planet profile

Orbit and physical properties

Orbital period: 621.62 days
Semi-major axis: 1.44 AU
Eccentricity: 0.59
Radius: 13.6 Earth radii
Mass: 476.742611 Earth masses
Mass provenance: Msini
Density: 1.04 g/cm³
Equilibrium temperature: 234.84 K
Insolation: 0.4895 Earth flux

Host system

Star and system properties

Host star: HD 331093
Stars in system: 1
Known planets in system: 1
Spectral type: K0
Stellar temperature: 5,544 K
Stellar radius: 1.1112 R☉
Stellar mass: 1.03 M☉
Stellar metallicity: 0.17 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 50.1928 parsecs
Right ascension: 19h42m28.80s
Declination: +31d44m22.36s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,021
Publication date: 2021-07
Discovery locale: Ground
Facility: Haute-Provence Observatory
Telescope: 1.93 m Telescope
Instrument: SOPHIE Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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