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HD 211810 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 211810 b

Confirmed exoplanet · Gas Giant

HD 211810 b

Orbiting HD 211810

Discovered in 2018 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 211810 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,018
Method: Radial Velocity
Radius: 14 R⊕
Mass: 212.9461 M⊕
Orbit: 1,558 days
Distance: 64.6353 pc

Planet profile

Orbit and physical properties

Orbital period: 1,558 days
Semi-major axis: 2.656 AU
Eccentricity: 0.68
Radius: 14 Earth radii
Mass: 212.9461 Earth masses
Mass provenance: Msini
Density: 0.426 g/cm³
Equilibrium temperature: 177.77 K
Insolation: 0.1665 Earth flux

Host system

Star and system properties

Host star: HD 211810
Stars in system: 1
Known planets in system: 1
Spectral type: G5
Stellar temperature: 5,652 K
Stellar radius: 1.13 R☉
Stellar mass: 1.03 M☉
Stellar metallicity: 0.17 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 64.6353 parsecs
Right ascension: 22h18m06.88s
Declination: +61d08m05.97s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,018
Publication date: 2018-11
Discovery locale: Ground
Facility: W. M. Keck Observatory
Telescope: 10 m Keck I Telescope
Instrument: HIRES Spectrometer
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 211810 b.

Generic gas giant catalog artwork; not a direct image of HD 211810 b — Apex Andromeda catalog artwork