Kepler-20
Kepler-20 b
Rank #2621 of the ranked catalogue · Discovered by Transit in 2011
HZ 0%measured
0.091
Earth-2.0 index
0.209
Earth Similarity Index
0%
Habitable-zone probability
1.77 R⊕
Radius
Planet
Mass9.700 M⊕measured
Bulk density9.400 g/cm³
Orbital period3.6961 days
Semi-major axis0.04565 au
Eccentricity0.083
Incident flux331.000 S⊕
Equilibrium temperature1084.2 K
Transit-time σ at 20304.7 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.16 masReflected-light contrast 2.62e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage100%0% median composite-to-default difference over shared parameters.
Host star & system
HostKepler-20
Spectral typeG
Effective temperature5495 K
Radius0.916 R☉
Mass0.929 M☉
Distance282.6 pc / 921.6 ly
DiscoveryTransit, 2011