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HD 100655 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 100655 b

Confirmed exoplanet · Gas Giant

HD 100655 b

Orbiting HD 100655

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 100655 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,011
Method: Radial Velocity
Radius: 13.5 R⊕
Mass: 511.7063 M⊕
Orbit: 157.57001 days
Distance: 137.178 pc

Planet profile

Orbit and physical properties

Orbital period: 157.57001 days
Semi-major axis: 0.68 AU
Eccentricity: 0.09
Radius: 13.5 Earth radii
Mass: 511.7063 Earth masses
Mass provenance: Msini
Density: 1.14 g/cm³
Equilibrium temperature: 907.14 K
Insolation: 92.9931 Earth flux

Host system

Star and system properties

Host star: HD 100655
Stars in system: 2
Known planets in system: 1
Spectral type: G9 III
Stellar temperature: 4,891 K
Stellar radius: 10.06 R☉
Stellar mass: 2.28 M☉
Stellar metallicity: 0.07 dex
Stellar age: 1.309 Gyr
Distance: 137.178 parsecs
Right ascension: 11h35m03.69s
Declination: +20d26m29.55s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,011
Publication date: 2012-04
Discovery locale: Ground
Facility: Bohyunsan Optical Astronomical Observatory
Telescope: 1.8 m Telescope
Instrument: BOES Echelle Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from HD 100655 b.

Generic gas giant catalog artwork; not a direct image of HD 100655 b — Apex Andromeda catalog artwork