Kepler-446 · M4
Kepler-446 d
Rank #324 of the ranked catalogue · Discovered by Transit in 2015
HZ 0%inferred
0.119
Earth-2.0 index
0.724
Earth Similarity Index
0%
Habitable-zone probability
1.35 R⊕
Radius
Planet
Mass2.390 M⊕inferred
Bulk density5.340 g/cm³
Orbital period5.1489 days
Semi-major axis0.04030 au
Eccentricity0.000
Incident flux3.307 S⊕
Equilibrium temperature342.8 K
Transit-time σ at 203046.8 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.42 masReflected-light contrast 1.95e-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 coverage58%0% median composite-to-default difference over shared parameters.
Host star & system
HostKepler-446
Spectral typeM4
Effective temperature3359 K
Radius0.240 R☉
Mass0.220 M☉
Distance96.3 pc / 314.2 ly
DiscoveryTransit, 2015