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HD 196885 A b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 196885 A b

Confirmed exoplanet · Gas Giant

HD 196885 A b

Orbiting HD 196885 A

Discovered in 2007 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 196885 A b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,007
Method: Radial Velocity
Radius: 13.2 R⊕
Mass: 819.97 M⊕
Orbit: 1,333 days
Distance: 34.1692 pc

Planet profile

Orbit and physical properties

Orbital period: 1,333 days
Semi-major axis: 2.37 AU
Eccentricity: 0.48
Radius: 13.2 Earth radii
Mass: 819.97 Earth masses
Mass provenance: Msini
Density: 1.96 g/cm³
Equilibrium temperature: 224.21 K
Insolation: 0.4271 Earth flux

Host system

Star and system properties

Host star: HD 196885 A
Stars in system: 2
Known planets in system: 1
Spectral type: F8 V
Stellar temperature: 6,254 K
Stellar radius: 1.31 R☉
Stellar mass: 1.28 M☉
Stellar metallicity: 0.22 dex
Stellar age: 3.12 Gyr
Distance: 34.1692 parsecs
Right ascension: 20h39m51.95s
Declination: +11d15m00.08s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,007
Publication date: 2008-02
Discovery locale: Ground
Facility: Haute-Provence Observatory
Telescope: 1.93 m Telescope
Instrument: ELODIE Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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