HD 20781 · K0 V
HD 20781 d
Rank #1424 of the ranked catalogue · Discovered by Radial Velocity in 2019
HZ 0%M sin i
0.101
Earth-2.0 index
0.383
Earth Similarity Index
0%
Habitable-zone probability
3.25 R⊕
Radius
Planet
Mass10.610 M⊕M sin i
Bulk density1.700 g/cm³
Orbital period29.1580 days
Semi-major axis0.16470 au
Eccentricity0.110
Incident flux18.064 S⊕
Equilibrium temperature524.0 K
Maximum angular separation4.58 masReflected-light contrast 6.76e-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