HD 109286 · G4 V
HD 109286 b
Rank #798 of the ranked catalogue · Discovered by Radial Velocity in 2021
HZ 100%M sin i
0.109
Earth-2.0 index
0.469
Earth Similarity Index
100%
Habitable-zone probability
13.20 R⊕
Radius
Planet
Mass950.307 M⊕M sin i
Bulk density2.270 g/cm³
Orbital period520.1000 days
Semi-major axis1.25900 au
Eccentricity0.338
Incident flux0.709 S⊕
Equilibrium temperature233.3 K
Maximum angular separation22.72 masReflected-light contrast 1.91e-8 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 coverage83%0% median composite-to-default difference over shared parameters.
Host star & system
HostHD 109286
Spectral typeG4 V
Effective temperature5694 K
Radius1.089 R☉
Mass0.980 M☉
Distance55.4 pc / 180.7 ly
DiscoveryRadial Velocity, 2021