HD 180902 · K0 III/IV
HD 180902 b
Rank #1817 of the ranked catalogue · Discovered by Radial Velocity in 2009
HZ 0%M sin i
0.098
Earth-2.0 index
0.338
Earth Similarity Index
0%
Habitable-zone probability
13.50 R⊕
Radius
Planet
Mass535.544 M⊕M sin i
Bulk density1.200 g/cm³
Orbital period510.9000 days
Semi-major axis1.40000 au
Eccentricity0.107
Incident flux4.796 S⊕
Equilibrium temperature376.2 K
Maximum angular separation13.39 masReflected-light contrast 1.61e-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 180902
Spectral typeK0 III/IV
Effective temperature4961 K
Radius4.160 R☉
Mass1.410 M☉
Distance104.6 pc / 341.1 ly
DiscoveryRadial Velocity, 2009