Kepler-1221
Kepler-1221 b
Rank #1831 of the ranked catalogue · Discovered by Transit in 2016
HZ 0%inferred
0.098
Earth-2.0 index
0.386
Earth Similarity Index
0%
Habitable-zone probability
1.88 R⊕
Radius
Planet
Mass4.190 M⊕inferred
Bulk density3.470 g/cm³
Orbital period12.0010 days
Semi-major axis0.09060 au
Eccentricity0.000
Incident flux37.810 S⊕
Equilibrium temperature630.3 K
Transit-time σ at 203052.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.10 masReflected-light contrast 7.47e-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 coverage50%0% median composite-to-default difference over shared parameters.
Host star & system
HostKepler-1221
Spectral typeK
Effective temperature5194 K
Radius0.820 R☉
Mass0.870 M☉
Distance913.6 pc / 2979.9 ly
DiscoveryTransit, 2016