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HD 98219 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 98219 b

Confirmed exoplanet · Gas Giant

HD 98219 b

Orbiting HD 98219

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 98219 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,011
Method: Radial Velocity
Radius: 13.4 R⊕
Mass: 624.21812 M⊕
Orbit: 433.8 days
Distance: 113.704 pc

Planet profile

Orbit and physical properties

Orbital period: 433.8 days
Semi-major axis: 1.26 AU
Eccentricity: 0.079
Radius: 13.4 Earth radii
Mass: 624.21812 Earth masses
Mass provenance: Msini
Density: 1.43 g/cm³
Equilibrium temperature: 453.77 K
Insolation: 7.0547 Earth flux

Host system

Star and system properties

Host star: HD 98219
Stars in system: 1
Known planets in system: 1
Spectral type: K0 III/IV
Stellar temperature: 4,925 K
Stellar radius: 4.6 R☉
Stellar mass: 1.41 M☉
Stellar metallicity: -0.02 dex
Stellar age: 4 Gyr
Distance: 113.704 parsecs
Right ascension: 11h17m47.41s
Declination: -23d58m31.76s

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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