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HD 114729 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 114729 b

Confirmed exoplanet · Gas Giant

HD 114729 b

Orbiting HD 114729

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 114729 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,002
Method: Radial Velocity
Radius: 13.9 R⊕
Mass: 262.20975 M⊕
Orbit: 1,121.79 days
Distance: 37.8063 pc

Planet profile

Orbit and physical properties

Orbital period: 1,121.79 days
Semi-major axis: 2.067 AU
Eccentricity: 0.079
Radius: 13.9 Earth radii
Mass: 262.20975 Earth masses
Mass provenance: Msini
Density: 0.537 g/cm³
Equilibrium temperature: 237.89 K
Insolation: 0.617 Earth flux

Host system

Star and system properties

Host star: HD 114729
Stars in system: 2
Known planets in system: 1
Spectral type: G0 V
Stellar temperature: 5,844 K
Stellar radius: 1.473 R☉
Stellar mass: 0.936 M☉
Stellar metallicity: -0.33 dex
Stellar age: 10.116 Gyr
Distance: 37.8063 parsecs
Right ascension: 13h12m44.02s
Declination: -31d52m28.83s

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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