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HD 190984 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 190984 b

Confirmed exoplanet · Gas Giant

HD 190984 b

Orbiting HD 190984

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 190984 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,009
Method: Radial Velocity
Radius: 13 R⊕
Mass: 1,137.825697 M⊕
Orbit: 4,885 days
Distance: 148.187 pc

Planet profile

Orbit and physical properties

Orbital period: 4,885 days
Semi-major axis: 5.5 AU
Eccentricity: 0.57
Radius: 13 Earth radii
Mass: 1,137.825697 Earth masses
Mass provenance: Mass
Density: 2.85 g/cm³
Equilibrium temperature: 152.29 K
Insolation: 0.089 Earth flux

Host system

Star and system properties

Host star: HD 190984
Stars in system: 1
Known planets in system: 1
Spectral type: F8 V
Stellar temperature: 5,988 K
Stellar radius: 1.53 R☉
Stellar mass: 0.91 M☉
Stellar metallicity: -0.48 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 148.187 parsecs
Right ascension: 20h11m30.72s
Declination: -64d37m12.98s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,009
Publication date: 2010-03
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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