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HD 164604 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 164604 b

Confirmed exoplanet · Gas Giant

HD 164604 b

Orbiting HD 164604

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 164604 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,009
Method: Radial Velocity
Radius: 12.3 R⊕
Mass: 4,195.334972 M⊕
Orbit: 653.9 days
Distance: 39.3633 pc

Planet profile

Orbit and physical properties

Orbital period: 653.9 days
Semi-major axis: 1.362 AU
Eccentricity: 0.479
Radius: 12.3 Earth radii
Mass: 4,195.334972 Earth masses
Mass provenance: Mass
Density: 12.4 g/cm³
Equilibrium temperature: 170.16 K
Insolation: 0.1402 Earth flux

Host system

Star and system properties

Host star: HD 164604
Stars in system: 1
Known planets in system: 2
Spectral type: K3.5 V
Stellar temperature: 4,663 K
Stellar radius: 0.78 R☉
Stellar mass: 0.77 M☉
Stellar metallicity: 0.12 dex
Stellar age: 1.6 Gyr
Distance: 39.3633 parsecs
Right ascension: 18h03m06.89s
Declination: -28d33m39.00s

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 ↗

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