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HD 72659 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 72659 b

Confirmed exoplanet · Gas Giant

HD 72659 b

Orbiting HD 72659

Discovered in 2002 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 72659 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,002
Method: Radial Velocity
Radius: 13.2 R⊕
Mass: 949.67128 M⊕
Orbit: 3,549 days
Distance: 51.8949 pc

Planet profile

Orbit and physical properties

Orbital period: 3,549 days
Semi-major axis: 4.607 AU
Eccentricity: 0.2393
Radius: 13.2 Earth radii
Mass: 949.67128 Earth masses
Mass provenance: Mass
Density: 2.27 g/cm³
Equilibrium temperature: 155.34 K
Insolation: 0.1115 Earth flux

Host system

Star and system properties

Host star: HD 72659
Stars in system: 1
Known planets in system: 2
Spectral type: G2 V
Stellar temperature: 5,929 K
Stellar radius: 1.36 R☉
Stellar mass: 1.033 M☉
Stellar metallicity: -0.02 dex
Stellar age: 8 Gyr
Distance: 51.8949 parsecs
Right ascension: 08h34m03.07s
Declination: -01d34m07.08s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,002
Publication date: 2003-01
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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