HD 152581 · K0
HD 152581 b
Rank #1836 of the ranked catalogue · Discovered by Radial Velocity in 2011
HZ 1%M sin i
0.098
Earth-2.0 index
0.337
Earth Similarity Index
1%
Habitable-zone probability
13.40 R⊕
Radius
Planet
Mass594.024 M⊕M sin i
Bulk density1.360 g/cm³
Orbital period686.5000 days
Semi-major axis1.66000 au
Eccentricity0.040
Incident flux5.407 S⊕
Equilibrium temperature387.6 K
Maximum angular separation10.01 masReflected-light contrast 1.13e-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 152581
Spectral typeK0
Effective temperature5027 K
Radius5.140 R☉
Mass1.300 M☉
Distance165.8 pc / 540.6 ly
DiscoveryRadial Velocity, 2011