HD 220197 · G5
HD 220197 b
Rank #2521 of the ranked catalogue · Discovered by Radial Velocity in 2018
HZ 0%M sin i
0.092
Earth-2.0 index
0.287
Earth Similarity Index
0%
Habitable-zone probability
9.32 R⊕
Radius
Planet
Mass63.566 M⊕M sin i
Bulk density0.431 g/cm³
Orbital period1728.0000 days
Semi-major axis2.72900 au
Eccentricity0.187
Incident flux0.133 S⊕
Equilibrium temperature153.6 K
Maximum angular separation42.37 masReflected-light contrast 2.02e-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 coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
HostHD 220197
Spectral typeG5
Effective temperature5683 K
Radius0.980 R☉
Mass0.910 M☉
Distance64.4 pc / 210.1 ly
DiscoveryRadial Velocity, 2018