Kepler-221
Kepler-221 b
Rank #3611 of the ranked catalogue · Discovered by Transit in 2014
HZ 0%upper limit
0.083
Earth-2.0 index
0.230
Earth Similarity Index
0%
Habitable-zone probability
1.71 R⊕
Radius
Planet
Mass5.956 M⊕upper limit
Bulk density0.190 g/cm³
Orbital period2.7959 days
Semi-major axis0.03700 au
Eccentricity0.000
Incident flux308.885 S⊕
Equilibrium temperature1065.6 K
Transit-time σ at 203015.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.10 masReflected-light contrast 3.71e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources7 · 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-221
Spectral typeG
Effective temperature5243 K
Radius0.821 R☉
Mass0.854 M☉
Distance385.2 pc / 1256.5 ly
DiscoveryTransit, 2014