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HD 149806 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 149806 b

Confirmed exoplanet · Gas Giant

HD 149806 b

Orbiting HD 149806

Discovered in 2022 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 149806 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,022
Method: Radial Velocity
Radius: 12.3 R⊕
Mass: 4,003.684443 M⊕
Orbit: 16,521.52778 days
Distance: 20.2727 pc

Planet profile

Orbit and physical properties

Orbital period: 16,521.52778 days
Semi-major axis: 12.404 AU
Eccentricity: 0.357
Radius: 12.3 Earth radii
Mass: 4,003.684443 Earth masses
Mass provenance: Mass
Density: 11.8 g/cm³
Equilibrium temperature: 69.13 K
Insolation: 0.0037 Earth flux

Host system

Star and system properties

Host star: HD 149806
Stars in system: 1
Known planets in system: 1
Spectral type: K0V
Stellar temperature: 5,352.05 K
Stellar radius: 0.89 R☉
Stellar mass: 0.93 M☉
Stellar metallicity: 0.2206 dex
Stellar age: 8.36 Gyr
Distance: 20.2727 parsecs
Right ascension: 16h37m08.52s
Declination: +00d15m16.85s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,022
Publication date: 2022-09
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 149806 b.

Generic gas giant catalog artwork; not a direct image of HD 149806 b — Apex Andromeda catalog artwork