HD 220689 · G3 V
HD 220689 b
Rank #2107 of the ranked catalogue · Discovered by Radial Velocity in 2012
HZ 0%measured
0.095
Earth-2.0 index
0.276
Earth Similarity Index
0%
Habitable-zone probability
13.70 R⊕
Radius
Planet
Mass381.394 M⊕measured
Bulk density0.815 g/cm³
Orbital period2266.4000 days
Semi-major axis3.39600 au
Eccentricity0.054
Incident flux0.107 S⊕
Equilibrium temperature145.5 K
Maximum angular separation72.44 masReflected-light contrast 2.82e-9 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 220689
Spectral typeG3 V
Effective temperature5921 K
Radius1.068 R☉
Mass1.016 M☉
Distance46.9 pc / 152.9 ly
DiscoveryRadial Velocity, 2012