16 Cyg B · G3 V
16 Cyg B b
Rank #998 of the ranked catalogue · Discovered by Radial Velocity in 1996
HZ 100%M sin i
0.106
Earth-2.0 index
0.398
Earth Similarity Index
100%
Habitable-zone probability
13.50 R⊕
Radius
Planet
Mass565.737 M⊕M sin i
Bulk density1.260 g/cm³
Orbital period798.5000 days
Semi-major axis1.66000 au
Eccentricity0.680
Incident flux0.454 S⊕
Equilibrium temperature208.7 K
Maximum angular separation78.53 masReflected-light contrast 1.15e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
Host16 Cyg B
Spectral typeG3 V
Effective temperature5750 K
Radius1.130 R☉
Mass1.080 M☉
Distance21.1 pc / 68.9 ly
DiscoveryRadial Velocity, 1996