HD 212771 · G8 IV
HD 212771 b
Rank #2267 of the ranked catalogue · Discovered by Radial Velocity in 2009
HZ 0%M sin i
0.094
Earth-2.0 index
0.300
Earth Similarity Index
0%
Habitable-zone probability
13.30 R⊕
Radius
Planet
Mass759.614 M⊕M sin i
Bulk density1.770 g/cm³
Orbital period380.7000 days
Semi-major axis1.19000 au
Eccentricity0.076
Incident flux10.875 S⊕
Equilibrium temperature461.6 K
Maximum angular separation10.71 masReflected-light contrast 2.17e-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 coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
HostHD 212771
Spectral typeG8 IV
Effective temperature5003 K
Radius5.270 R☉
Mass1.560 M☉
Distance111.2 pc / 362.5 ly
DiscoveryRadial Velocity, 2009