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HD 168443 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 168443 b

Confirmed exoplanet · Gas Giant

HD 168443 b

Orbiting HD 168443

Discovered in 1998 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 168443 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 1,998
Method: Radial Velocity
Radius: 12.6 R⊕
Mass: 2,424.395089 M⊕
Orbit: 58.11187 days
Distance: 39.6245 pc

Planet profile

Orbit and physical properties

Orbital period: 58.11187 days
Semi-major axis: 0.292 AU
Eccentricity: 0.53
Radius: 12.6 Earth radii
Mass: 2,424.395089 Earth masses
Mass provenance: Msini
Density: 6.66 g/cm³
Equilibrium temperature: 641.03 K
Insolation: 28.2942 Earth flux

Host system

Star and system properties

Host star: HD 168443
Stars in system: 1
Known planets in system: 2
Spectral type: G5
Stellar temperature: 5,491 K
Stellar radius: 1.711479 R☉
Stellar mass: 0.98 M☉
Stellar metallicity: 0.04 dex
Stellar age: 11.08 Gyr
Distance: 39.6245 parsecs
Right ascension: 18h20m03.84s
Declination: -09d35m48.09s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 1,998
Publication date: 1999-07
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 168443 b.

Generic gas giant catalog artwork; not a direct image of HD 168443 b — Apex Andromeda catalog artwork