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HD 99706 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 99706 b

Confirmed exoplanet · Gas Giant

HD 99706 b

Orbiting HD 99706

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 99706 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,011
Method: Radial Velocity
Radius: 13.7 R⊕
Mass: 390.9309 M⊕
Orbit: 841 days
Distance: 146.6 pc

Planet profile

Orbit and physical properties

Orbital period: 841 days
Semi-major axis: 1.98 AU
Eccentricity: 0.25
Radius: 13.7 Earth radii
Mass: 390.9309 Earth masses
Mass provenance: Msini
Density: 0.835 g/cm³
Equilibrium temperature: 391.46 K
Insolation: 3.9282 Earth flux

Host system

Star and system properties

Host star: HD 99706
Stars in system: 1
Known planets in system: 2
Spectral type: K0
Stellar temperature: 4,862 K
Stellar radius: 5.52 R☉
Stellar mass: 1.46 M☉
Stellar metallicity: 0.14 dex
Stellar age: 2.1 Gyr
Distance: 146.6 parsecs
Right ascension: 11h28m30.28s
Declination: +43d57m58.33s

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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