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HD 102117 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 102117 b

Confirmed exoplanet · Gas Giant

HD 102117 b

Orbiting HD 102117

Discovered in 2005 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 102117 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,005
Method: Radial Velocity
Radius: 8.47 R⊕
Mass: 54.0311 M⊕
Orbit: 20.8133 days
Distance: 39.5792 pc

Planet profile

Orbit and physical properties

Orbital period: 20.8133 days
Semi-major axis: 0.15 AU
Eccentricity: 0.12
Radius: 8.47 Earth radii
Mass: 54.0311 Earth masses
Mass provenance: Msini
Density: 0.489 g/cm³
Equilibrium temperature: 780.86 K
Insolation: 63.8539 Earth flux

Host system

Star and system properties

Host star: HD 102117
Stars in system: 1
Known planets in system: 1
Spectral type: G6 V
Stellar temperature: 5,655 K
Stellar radius: 1.23 R☉
Stellar mass: 1.06 M☉
Stellar metallicity: 0.28 dex
Stellar age: 10 Gyr
Distance: 39.5792 parsecs
Right ascension: 11h44m50.33s
Declination: -58d42m14.45s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,005
Publication date: 2005-07
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 102117 b.

Generic gas giant catalog artwork; not a direct image of HD 102117 b — Apex Andromeda catalog artwork