HD 221287 · F7 V
HD 221287 b
Rank #888 of the ranked catalogue · Discovered by Radial Velocity in 2007
HZ 100%M sin i
0.108
Earth-2.0 index
0.498
Earth Similarity Index
100%
Habitable-zone probability
13.10 R⊕
Radius
Planet
Mass982.050 M⊕M sin i
Bulk density2.400 g/cm³
Orbital period456.1000 days
Semi-major axis1.25000 au
Eccentricity0.080
Incident flux1.062 S⊕
Equilibrium temperature258.1 K
Maximum angular separation22.35 masReflected-light contrast 1.91e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · 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 221287
Spectral typeF7 V
Effective temperature6304 K
Radius1.139 R☉
Mass1.250 M☉
Distance55.9 pc / 182.4 ly
DiscoveryRadial Velocity, 2007