11 UMi · K4 III
11 UMi b
Rank #4446 of the ranked catalogue · Discovered by Radial Velocity in 2009
HZ 0%M sin i
0.075
Earth-2.0 index
0.151
Earth Similarity Index
0%
Habitable-zone probability
12.30 R⊕
Radius
Planet
Mass4684.814 M⊕M sin i
Bulk density13.800 g/cm³
Orbital period516.2200 days
Semi-major axis1.53000 au
Eccentricity0.080
Incident flux114.850 S⊕
Equilibrium temperature832.1 K
Maximum angular separation12.21 masReflected-light contrast 1.12e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · 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
Host11 UMi
Spectral typeK4 III
Effective temperature4213 K
Radius29.790 R☉
Mass2.780 M☉
Distance125.3 pc / 408.7 ly
DiscoveryRadial Velocity, 2009