alf Tau · K5 III
alf Tau b
Rank #4610 of the ranked catalogue · Discovered by Radial Velocity in 2015
HZ 0%M sin i
0.073
Earth-2.0 index
0.156
Earth Similarity Index
0%
Habitable-zone probability
12.70 R⊕
Radius
Planet
Mass2056.360 M⊕M sin i
Bulk density5.520 g/cm³
Orbital period628.9600 days
Semi-major axis1.46000 au
Eccentricity0.100
Incident flux220.442 S⊕
Equilibrium temperature979.5 K
Maximum angular separation71.45 masReflected-light contrast 1.31e-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
Hostalf Tau
Spectral typeK5 III
Effective temperature4055 K
Radius45.100 R☉
Mass1.130 M☉
Distance20.4 pc / 66.6 ly
DiscoveryRadial Velocity, 2015