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HD 33283 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 33283 b

Confirmed exoplanet · Gas Giant

HD 33283 b

Orbiting HD 33283

Discovered in 2006 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 33283 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,006
Method: Radial Velocity
Radius: 12.5 R⊕
Mass: 104.56607 M⊕
Orbit: 18.1991 days
Distance: 89.8623 pc

Planet profile

Orbit and physical properties

Orbital period: 18.1991 days
Semi-major axis: 0.1508 AU
Eccentricity: 0.399
Radius: 12.5 Earth radii
Mass: 104.56607 Earth masses
Mass provenance: Msini
Density: 0.294 g/cm³
Equilibrium temperature: 1,034.4 K
Insolation: 191.9541 Earth flux

Host system

Star and system properties

Host star: HD 33283
Stars in system: 2
Known planets in system: 1
Spectral type: G3/G5 V
Stellar temperature: 5,935 K
Stellar radius: 1.97 R☉
Stellar mass: 1.38 M☉
Stellar metallicity: 0.35 dex
Stellar age: 3.63 Gyr
Distance: 89.8623 parsecs
Right ascension: 05h08m01.08s
Declination: -26d47m51.61s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,006
Publication date: 2006-08
Discovery locale: Ground
Facility: W. M. Keck Observatory
Telescope: 10 m Keck I Telescope
Instrument: HIRES Spectrometer
NASA Exoplanet Archive: Open composite record ↗

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