HD 11977 · G8 III/IV
HD 11977 b
Rank #2698 of the ranked catalogue · Discovered by Radial Velocity in 2005
HZ 0%M sin i
0.090
Earth-2.0 index
0.297
Earth Similarity Index
0%
Habitable-zone probability
12.70 R⊕
Radius
Planet
Mass2080.000 M⊕M sin i
Bulk density5.580 g/cm³
Orbital period711.0000 days
Semi-major axis1.93000 au
Eccentricity0.400
Incident flux18.513 S⊕
Equilibrium temperature527.3 K
Maximum angular separation28.41 masReflected-light contrast 7.52e-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 coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
HostHD 11977
Spectral typeG8 III/IV
Effective temperature4970 K
Radius10.090 R☉
Mass1.910 M☉
Distance67.9 pc / 221.6 ly
DiscoveryRadial Velocity, 2005