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HD 102956 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 102956 b

Confirmed exoplanet · Gas Giant

HD 102956 b

Orbiting HD 102956

Discovered in 2010 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 102956 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,010
Method: Radial Velocity
Radius: 13.8 R⊕
Mass: 305.1168 M⊕
Orbit: 6.4947 days
Distance: 121.89 pc

Planet profile

Orbit and physical properties

Orbital period: 6.4947 days
Semi-major axis: 0.0807 AU
Eccentricity: 0.037
Radius: 13.8 Earth radii
Mass: 305.1168 Earth masses
Mass provenance: Msini
Density: 0.638 g/cm³
Equilibrium temperature: 1,804.96 K
Insolation: 1,781.1928 Earth flux

Host system

Star and system properties

Host star: HD 102956
Stars in system: 2
Known planets in system: 1
Spectral type: G5
Stellar temperature: 4,985 K
Stellar radius: 4.55 R☉
Stellar mass: 1.66 M☉
Stellar metallicity: 0.19 dex
Stellar age: 2.3 Gyr
Distance: 121.89 parsecs
Right ascension: 11h51m22.49s
Declination: +57d38m26.37s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,010
Publication date: 2010-10
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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