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HD 191806 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 191806 b

Confirmed exoplanet · Gas Giant

HD 191806 b

Orbiting HD 191806

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 191806 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,016
Method: Radial Velocity
Radius: 12.5 R⊕
Mass: 2,966.610351 M⊕
Orbit: 1,603.38923 days
Distance: 65.6668 pc

Planet profile

Orbit and physical properties

Orbital period: 1,603.38923 days
Semi-major axis: 2.749 AU
Eccentricity: 0.213
Radius: 12.5 Earth radii
Mass: 2,966.610351 Earth masses
Mass provenance: Mass
Density: 8.35 g/cm³
Equilibrium temperature: 206.98 K
Insolation: 0.2951 Earth flux

Host system

Star and system properties

Host star: HD 191806
Stars in system: 1
Known planets in system: 1
Spectral type: K0
Stellar temperature: 6,010 K
Stellar radius: 1.40223 R☉
Stellar mass: 1.07 M☉
Stellar metallicity: 0.3 dex
Stellar age: 2.9 Gyr
Distance: 65.6668 parsecs
Right ascension: 20h09m28.50s
Declination: +52d16m36.22s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,016
Publication date: 2016-07
Discovery locale: Ground
Facility: Haute-Provence Observatory
Telescope: 1.93 m Telescope
Instrument: SOPHIE Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 191806 b.

Generic gas giant catalog artwork; not a direct image of HD 191806 b — Apex Andromeda catalog artwork