tau Cet · G8.5V
tau Cet f
Rank #192 of the ranked catalogue · Discovered by Radial Velocity in 2017
HZ 0%M sin i
0.124
Earth-2.0 index
0.679
Earth Similarity Index
0%
Habitable-zone probability
1.81 R⊕
Radius
Planet
Mass3.930 M⊕M sin i
Bulk density3.640 g/cm³
Orbital period636.1300 days
Semi-major axis1.33400 au
Eccentricity0.160
Incident flux0.278 S⊕
Equilibrium temperature184.6 K
Maximum angular separation370.24 masReflected-light contrast 3.20e-10 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage50%0% median composite-to-default difference over shared parameters.
Host star & system
Hosttau Cet
Spectral typeG8.5V
Effective temperature5310 K
Radius0.830 R☉
Mass0.783 M☉
Distance3.6 pc / 11.8 ly
DiscoveryRadial Velocity, 2017