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HD 129445 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 129445 b

Confirmed exoplanet · Gas Giant

HD 129445 b

Orbiting HD 129445

Discovered in 2009 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 129445 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,009
Method: Radial Velocity
Radius: 13.3 R⊕
Mass: 797.749302 M⊕
Orbit: 1,840 days
Distance: 67.4386 pc

Planet profile

Orbit and physical properties

Orbital period: 1,840 days
Semi-major axis: 2.9 AU
Eccentricity: 0.7
Radius: 13.3 Earth radii
Mass: 797.749302 Earth masses
Mass provenance: Mass
Density: 1.86 g/cm³
Equilibrium temperature: 173.36 K
Insolation: 0.1462 Earth flux

Host system

Star and system properties

Host star: HD 129445
Stars in system: 1
Known planets in system: 1
Spectral type: G6 V
Stellar temperature: 5,646 K
Stellar radius: 1.175816 R☉
Stellar mass: 0.99 M☉
Stellar metallicity: 0.25 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 67.4386 parsecs
Right ascension: 14h46m02.50s
Declination: -68d45m46.76s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,009
Publication date: 2010-03
Discovery locale: Ground
Facility: Las Campanas Observatory
Telescope: 6.5 m Magellan II Clay Telescope
Instrument: MIKE Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 129445 b.

Generic gas giant catalog artwork; not a direct image of HD 129445 b — Apex Andromeda catalog artwork