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HD 102329 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 102329 b

Confirmed exoplanet · Gas Giant

HD 102329 b

Orbiting HD 102329

Discovered in 2011 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 102329 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,011
Method: Radial Velocity
Radius: 12.6 R⊕
Mass: 2,593.4928 M⊕
Orbit: 778.09998 days
Distance: 217.107 pc

Planet profile

Orbit and physical properties

Orbital period: 778.09998 days
Semi-major axis: 1.81 AU
Eccentricity: 0.21
Radius: 12.6 Earth radii
Mass: 2,593.4928 Earth masses
Mass provenance: Msini
Density: 7.12 g/cm³
Equilibrium temperature: 532.95 K
Insolation: 5.9827 Earth flux

Host system

Star and system properties

Host star: HD 102329
Stars in system: 1
Known planets in system: 2
Spectral type: K0 III
Stellar temperature: 4,745 K
Stellar radius: 9.82 R☉
Stellar mass: 3.21 M☉
Stellar metallicity: 0.05 dex
Stellar age: 1.6 Gyr
Distance: 217.107 parsecs
Right ascension: 11h46m46.60s
Declination: +03d28m27.17s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,011
Publication date: 2011-12
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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