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11 Com b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/11 Com b

Confirmed exoplanet · Gas Giant

11 Com b

Orbiting 11 Com

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 11 Com b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,007
Method: Radial Velocity
Radius: 12.2 R⊕
Mass: 4,914.898486 M⊕
Orbit: 323.21 days
Distance: 93.1846 pc

Planet profile

Orbit and physical properties

Orbital period: 323.21 days
Semi-major axis: 1.178 AU
Eccentricity: 0.238
Radius: 12.2 Earth radii
Mass: 4,914.898486 Earth masses
Mass provenance: Msini
Density: 14.9 g/cm³
Equilibrium temperature: 803.26 K
Insolation: 68.5387 Earth flux

Host system

Star and system properties

Host star: 11 Com
Stars in system: 2
Known planets in system: 1
Spectral type: G8 III
Stellar temperature: 4,874 K
Stellar radius: 13.76 R☉
Stellar mass: 2.09 M☉
Stellar metallicity: -0.26 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 93.1846 parsecs
Right ascension: 12h20m42.91s
Declination: +17d47m35.71s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,007
Publication date: 2008-01
Discovery locale: Ground
Facility: Xinglong Station
Telescope: 2.16 m Telescope
Instrument: Coude Echelle Spectrograph
NASA Exoplanet Archive: Open composite record ↗

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