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HD 80869 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 80869 b

Confirmed exoplanet · Gas Giant

HD 80869 b

Orbiting HD 80869

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 80869 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Radial Velocity
Radius: 12.8 R⊕
Mass: 1,609.800881 M⊕
Orbit: 1,752.92067 days
Distance: 85.3951 pc

Planet profile

Orbit and physical properties

Orbital period: 1,752.92067 days
Semi-major axis: 2.905 AU
Eccentricity: 0.924
Radius: 12.8 Earth radii
Mass: 1,609.800881 Earth masses
Mass provenance: Mass
Density: 4.22 g/cm³
Equilibrium temperature: 203.2 K
Insolation: 0.142 Earth flux

Host system

Star and system properties

Host star: HD 80869
Stars in system: 1
Known planets in system: 1
Spectral type: G5
Stellar temperature: 5,837 K
Stellar radius: 1.062 R☉
Stellar mass: 1.06 M☉
Stellar metallicity: 0.17 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 85.3951 parsecs
Right ascension: 09h23m09.91s
Declination: +33d54m17.39s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,021
Publication date: 2021-09
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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