HD 221585 · G8 IV
HD 221585 b
Rank #1268 of the ranked catalogue · Discovered by Radial Velocity in 2016
HZ 100%M sin i
0.103
Earth-2.0 index
0.399
Earth Similarity Index
100%
Habitable-zone probability
13.50 R⊕
Radius
Planet
Mass511.706 M⊕M sin i
Bulk density1.140 g/cm³
Orbital period1173.0000 days
Semi-major axis2.30600 au
Eccentricity0.123
Incident flux0.496 S⊕
Equilibrium temperature213.4 K
Maximum angular separation41.29 masReflected-light contrast 5.95e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage58%0% median composite-to-default difference over shared parameters.
Host star & system
HostHD 221585
Spectral typeG8 IV
Effective temperature5620 K
Radius1.851 R☉
Mass1.190 M☉
Distance55.9 pc / 182.2 ly
DiscoveryRadial Velocity, 2016