HD 20781 · K0 V
HD 20781 b
Rank #2450 of the ranked catalogue · Discovered by Radial Velocity in 2019
HZ 0%M sin i
0.092
Earth-2.0 index
0.292
Earth Similarity Index
0%
Habitable-zone probability
1.21 R⊕
Radius
Planet
Mass1.930 M⊕M sin i
Bulk density5.990 g/cm³
Orbital period5.3135 days
Semi-major axis0.05290 au
Eccentricity0.100
Incident flux175.099 S⊕
Equilibrium temperature924.7 K
Maximum angular separation1.47 masReflected-light contrast 9.08e-8 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 coverage58%0% median composite-to-default difference over shared parameters.
Host star & system
HostHD 20781
Spectral typeK0 V
Effective temperature5256 K
Radius0.834 R☉
Mass0.700 M☉
Distance36.0 pc / 117.3 ly
DiscoveryRadial Velocity, 2019