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HD 159868 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 159868 b

Confirmed exoplanet · Gas Giant

HD 159868 b

Orbiting HD 159868

Discovered in 2006 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 159868 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,006
Method: Radial Velocity
Radius: 13.3 R⊕
Mass: 704.94694 M⊕
Orbit: 1,184.1 days
Distance: 55.8503 pc

Planet profile

Orbit and physical properties

Orbital period: 1,184.1 days
Semi-major axis: 2.32 AU
Eccentricity: 0.024
Radius: 13.3 Earth radii
Mass: 704.94694 Earth masses
Mass provenance: Msini
Density: 1.65 g/cm³
Equilibrium temperature: 255.69 K
Insolation: 0.668 Earth flux

Host system

Star and system properties

Host star: HD 159868
Stars in system: 1
Known planets in system: 2
Spectral type: G5 V
Stellar temperature: 5,534 K
Stellar radius: 2.13 R☉
Stellar mass: 1.19 M☉
Stellar metallicity: -0.08 dex
Stellar age: 7.57 Gyr
Distance: 55.8503 parsecs
Right ascension: 17h38m59.20s
Declination: -43d08m46.44s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,006
Publication date: 2007-05
Discovery locale: Ground
Facility: Anglo-Australian Telescope
Telescope: 3.9 m Anglo-Australian Telescope
Instrument: UCLES Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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