HD 222582 · G5 V
HD 222582 b
Rank #558 of the ranked catalogue · Discovered by Radial Velocity in 1999
HZ 100%M sin i
0.113
Earth-2.0 index
0.482
Earth Similarity Index
100%
Habitable-zone probability
12.60 R⊕
Radius
Planet
Mass2660.237 M⊕M sin i
Bulk density7.310 g/cm³
Orbital period572.3800 days
Semi-major axis1.34000 au
Eccentricity0.730
Incident flux0.725 S⊕
Equilibrium temperature234.6 K
Maximum angular separation31.79 masReflected-light contrast 1.53e-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
HostHD 222582
Spectral typeG5 V
Effective temperature5790 K
Radius1.130 R☉
Mass1.120 M☉
Distance42.2 pc / 137.5 ly
DiscoveryRadial Velocity, 1999