HD 217786 · F8 V
HD 217786 b
Rank #1153 of the ranked catalogue · Discovered by Radial Velocity in 2011
HZ 0%measured
0.104
Earth-2.0 index
0.358
Earth Similarity Index
0%
Habitable-zone probability
12.30 R⊕
Radius
Planet
Mass4402.559 M⊕measured
Bulk density13.000 g/cm³
Orbital period1301.3601 days
Semi-major axis2.44600 au
Eccentricity0.311
Incident flux0.316 S⊕
Equilibrium temperature190.6 K
Maximum angular separation44.08 masReflected-light contrast 4.39e-9 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 coverage50%0% median composite-to-default difference over shared parameters.
Host star & system
HostHD 217786
Spectral typeF8 V
Effective temperature5966 K
Radius1.270 R☉
Mass1.140 M☉
Distance55.5 pc / 181.0 ly
DiscoveryRadial Velocity, 2011