HD 133131 A · G2 V
HD 133131 A b
Rank #1396 of the ranked catalogue · Discovered by Radial Velocity in 2016
HZ 100%M sin i
0.102
Earth-2.0 index
0.385
Earth Similarity Index
100%
Habitable-zone probability
13.60 R⊕
Radius
Planet
Mass451.319 M⊕M sin i
Bulk density0.986 g/cm³
Orbital period649.0000 days
Semi-major axis1.44000 au
Eccentricity0.330
Incident flux0.464 S⊕
Equilibrium temperature209.8 K
Maximum angular separation27.98 masReflected-light contrast 1.55e-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 coverage58%0% median composite-to-default difference over shared parameters.
Host star & system
HostHD 133131 A
Spectral typeG2 V
Effective temperature5799 K
Radius0.955 R☉
Mass0.950 M☉
Distance51.5 pc / 167.9 ly
DiscoveryRadial Velocity, 2016