Finding Earth 2.0
Kepler-66 · G0 V

Kepler-66 b

Rank #2646 of the ranked catalogue · Discovered by Transit in 2013

HZ 0%inferred

0.091

Earth-2.0 index

0.298

Earth Similarity Index

0%

Habitable-zone probability

2.80 R⊕

Radius

Planet

Mass8.250 M⊕inferred
Bulk density2.070 g/cm³
Orbital period17.8158 days
Semi-major axis0.13520 au
Eccentricity0.000
Incident flux62.845 S⊕
Equilibrium temperature715.7 K
Transit-time σ at 203045.8 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.11 masReflected-light contrast 7.45e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources6 · 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

HostKepler-66
Spectral typeG0 V
Effective temperature5962 K
Radius0.966 R☉
Mass1.038 M☉
Distance1203.0 pc / 3923.5 ly
DiscoveryTransit, 2013