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HD 82943 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 82943 b

Confirmed exoplanet · Gas Giant

HD 82943 b

Orbiting HD 82943

Discovered in 2003 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 82943 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,003
Method: Radial Velocity
Radius: 13.5 R⊕
Mass: 534.25 M⊕
Orbit: 441.47 days
Distance: 27.5902 pc

Planet profile

Orbit and physical properties

Orbital period: 441.47 days
Semi-major axis: 1.18306 AU
Eccentricity: 0.162
Radius: 13.5 Earth radii
Mass: 534.25 Earth masses
Mass provenance: Mass
Density: 1.19 g/cm³
Equilibrium temperature: 286.13 K
Insolation: 1.117 Earth flux

Host system

Star and system properties

Host star: HD 82943
Stars in system: 1
Known planets in system: 2
Spectral type: G2/3V
Stellar temperature: 5,935 K
Stellar radius: 1.1826 R☉
Stellar mass: 1.08 M☉
Stellar metallicity: 0.26 dex
Stellar age: 2.35 Gyr
Distance: 27.5902 parsecs
Right ascension: 09h34m50.74s
Declination: -12d07m49.07s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,003
Publication date: 2004-02
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 1.2 m Leonhard Euler Telescope
Instrument: CORALIE Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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