Kepler-20
Kepler-20 d
Rank #111 of the ranked catalogue · Discovered by Transit in 2011
HZ 0%measured
0.130
Earth-2.0 index
0.576
Earth Similarity Index
0%
Habitable-zone probability
2.61 R⊕
Radius
Planet
Mass13.400 M⊕measured
Bulk density4.100 g/cm³
Orbital period77.6115 days
Semi-major axis0.34740 au
Eccentricity0.082
Incident flux5.710 S⊕
Equilibrium temperature392.9 K
Transit-time σ at 203013.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.23 masReflected-light contrast 9.77e-9 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