HD 221420 · G2 IV-V
HD 221420 b
Rank #3162 of the ranked catalogue · Discovered by Radial Velocity in 2019
HZ 0%measured
0.087
Earth-2.0 index
0.192
Earth Similarity Index
0%
Habitable-zone probability
12.00 R⊕
Radius
Planet
Mass7278.270 M⊕measured
Bulk density23.100 g/cm³
Orbital period10090.0000 days
Semi-major axis10.15000 au
Eccentricity0.140
Incident flux0.039 S⊕
Equilibrium temperature112.9 K
Maximum angular separation325.93 masReflected-light contrast 2.43e-10 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 coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
HostHD 221420
Spectral typeG2 IV-V
Effective temperature5847 K
Radius1.947 R☉
Mass1.351 M☉
Distance31.1 pc / 101.6 ly
DiscoveryRadial Velocity, 2019