HIP 111909 · K1 III
HIP 111909 b
Rank #2291 of the ranked catalogue · Discovered by Radial Velocity in 2025
HZ 0%M sin i
0.093
Earth-2.0 index
0.303
Earth Similarity Index
0%
Habitable-zone probability
13.70 R⊕
Radius
Planet
Mass384.572 M⊕M sin i
Bulk density0.822 g/cm³
Orbital period487.0800 days
Semi-major axis1.32000 au
Eccentricity—
Incident flux6.010 S⊕
Equilibrium temperature398.0 K
Maximum angular separation14.99 masReflected-light contrast 1.87e-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 coverage64%0% median composite-to-default difference over shared parameters.
Host star & system
HostHIP 111909
Spectral typeK1 III
Effective temperature4891 K
Radius4.530 R☉
Mass1.280 M☉
Distance88.1 pc / 287.3 ly
DiscoveryRadial Velocity, 2025