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HD 109286 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 109286 b

Confirmed exoplanet · Gas Giant

HD 109286 b

Orbiting HD 109286

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 109286 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,021
Method: Radial Velocity
Radius: 13.2 R⊕
Mass: 950.306937 M⊕
Orbit: 520.1 days
Distance: 55.4156 pc

Planet profile

Orbit and physical properties

Orbital period: 520.1 days
Semi-major axis: 1.259 AU
Eccentricity: 0.338
Radius: 13.2 Earth radii
Mass: 950.306937 Earth masses
Mass provenance: Msini
Density: 2.27 g/cm³
Equilibrium temperature: 259.4 K
Insolation: 0.709 Earth flux

Host system

Star and system properties

Host star: HD 109286
Stars in system: 1
Known planets in system: 1
Spectral type: G4 V
Stellar temperature: 5,694 K
Stellar radius: 1.089 R☉
Stellar mass: 0.98 M☉
Stellar metallicity: 0.05 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 55.4156 parsecs
Right ascension: 12h33m35.00s
Declination: +07d16m51.26s

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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