Finding Earth 2.0
tau Boo · F7 V

tau Boo b

Rank #5017 of the ranked catalogue · Discovered by Radial Velocity in 1996

HZ 0%measured

0.067

Earth-2.0 index

0.093

Earth Similarity Index

0%

Habitable-zone probability

12.80 R⊕

Radius

Planet

Mass1891.000 M⊕measured
Bulk density4.950 g/cm³
Orbital period3.3125 days
Semi-major axis0.04900 au
Eccentricity0.011
Incident flux1333.783 S⊕
Equilibrium temperature1536.2 K
Maximum angular separation3.13 masReflected-light contrast 1.18e-5 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 coverage67%0% median composite-to-default difference over shared parameters.

Host star & system

Hosttau Boo
Spectral typeF7 V
Effective temperature6466 K
Radius1.426 R☉
Mass1.320 M☉
Distance15.7 pc / 51.0 ly
DiscoveryRadial Velocity, 1996