Kepler-12
Kepler-12 b
Rank #5507 of the ranked catalogue · Discovered by Transit in 2011
HZ 0%measured
0.056
Earth-2.0 index
0.052
Earth Similarity Index
0%
Habitable-zone probability
19.66 R⊕
Radius
Planet
Mass137.303 M⊕measured
Bulk density0.110 g/cm³
Orbital period4.4380 days
Semi-major axis0.05530 au
Eccentricity0.000
Incident flux877.539 S⊕
Equilibrium temperature1383.5 K
Transit-time σ at 20301.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.06 masReflected-light contrast 2.19e-5 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 coverage83%0% median composite-to-default difference over shared parameters.
Host star & system
HostKepler-12
Spectral typeG
Effective temperature5947 K
Radius1.483 R☉
Mass1.166 M☉
Distance881.4 pc / 2874.7 ly
DiscoveryTransit, 2011