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16 Cyg B b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/16 Cyg B b

Confirmed exoplanet · Gas Giant

16 Cyg B b

Orbiting 16 Cyg B

Discovered in 1996 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 16 Cyg B b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 1,996
Method: Radial Velocity
Radius: 13.5 R⊕
Mass: 565.7374 M⊕
Orbit: 798.5 days
Distance: 21.1397 pc

Planet profile

Orbit and physical properties

Orbital period: 798.5 days
Semi-major axis: 1.66 AU
Eccentricity: 0.68
Radius: 13.5 Earth radii
Mass: 565.7374 Earth masses
Mass provenance: Msini
Density: 1.26 g/cm³
Equilibrium temperature: 228.76 K
Insolation: 0.454 Earth flux

Host system

Star and system properties

Host star: 16 Cyg B
Stars in system: 3
Known planets in system: 1
Spectral type: G3 V
Stellar temperature: 5,750 K
Stellar radius: 1.13 R☉
Stellar mass: 1.08 M☉
Stellar metallicity: 0.06 dex
Stellar age: 7.4 Gyr
Distance: 21.1397 parsecs
Right ascension: 19h41m51.75s
Declination: +50d31m00.57s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 1,996
Publication date: 1997-07
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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