HIP 56640 · K1 III
HIP 56640 b
Rank #332 of the ranked catalogue · Discovered by Radial Velocity in 2021
HZ 100%measured
0.118
Earth-2.0 index
0.474
Earth Similarity Index
100%
Habitable-zone probability
12.70 R⊕
Radius
Planet
Mass2151.698 M⊕measured
Bulk density5.770 g/cm³
Orbital period2675.5760 days
Semi-major axis4.55000 au
Eccentricity0.118
Incident flux0.542 S⊕
Equilibrium temperature218.1 K
Maximum angular separation37.20 masReflected-light contrast 1.35e-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 coverage50%0% median composite-to-default difference over shared parameters.
Host star & system
HostHIP 56640
Spectral typeK1 III
Effective temperature4769 K
Radius4.930 R☉
Mass1.750 M☉
Distance122.3 pc / 399.0 ly
DiscoveryRadial Velocity, 2021