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HD 59686 A b | Exoplanets | Apex Andromeda | Apex Andromeda

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Planets/Exoplanets/HD 59686 A b

Confirmed exoplanet · Gas Giant

HD 59686 A b

Orbiting HD 59686 A

Discovered in 2016 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 59686 A b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,016
Method: Radial Velocity
Radius: 12.7 R⊕
Mass: 2,199.3836 M⊕
Orbit: 299.36 days
Distance: 89.2721 pc

Planet profile

Orbit and physical properties

Orbital period: 299.36 days
Semi-major axis: 1.086 AU
Eccentricity: 0.05
Radius: 12.7 Earth radii
Mass: 2,199.3836 Earth masses
Mass provenance: Msini
Density: 5.9 g/cm³
Equilibrium temperature: 783.08 K
Insolation: 56.2338 Earth flux

Host system

Star and system properties

Host star: HD 59686 A
Stars in system: 2
Known planets in system: 1
Spectral type: K2 III
Stellar temperature: 4,658 K
Stellar radius: 13.2 R☉
Stellar mass: 1.9 M☉
Stellar metallicity: 0.15 dex
Stellar age: 1.73 Gyr
Distance: 89.2721 parsecs
Right ascension: 07h31m48.45s
Declination: +17d05m08.59s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,016
Publication date: 2016-10
Discovery locale: Ground
Facility: Lick Observatory
Telescope: Coude Auxiliary Telescope
Instrument: Hamilton Echelle Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 59686 A b.

Generic gas giant catalog artwork; not a direct image of HD 59686 A b — Apex Andromeda catalog artwork