Finding Earth 2.0
tau Gem · K2 III

tau Gem b

Rank #5231 of the ranked catalogue · Discovered by Radial Velocity in 2013

HZ 0%M sin i

0.064

Earth-2.0 index

0.111

Earth Similarity Index

0%

Habitable-zone probability

12.10 R⊕

Radius

Planet

Mass6547.000 M⊕M sin i
Bulk density20.300 g/cm³
Orbital period305.5000 days
Semi-major axis1.17000 au
Eccentricity0.031
Incident flux241.311 S⊕
Equilibrium temperature1001.9 K
Maximum angular separation10.40 masReflected-light contrast 1.86e-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

Hosttau Gem
Spectral typeK2 III
Effective temperature4388 K
Radius26.800 R☉
Mass2.300 M☉
Distance112.5 pc / 367.0 ly
DiscoveryRadial Velocity, 2013