Kepler-440
Kepler-440 b
Rank #35 of the ranked catalogue · Discovered by Transit in 2015
HZ 25%inferred
0.253
Earth-2.0 index
0.792
Earth Similarity Index
25%
Habitable-zone probability
1.86 R⊕
Radius
Planet
Mass4.120 M⊕inferred
Bulk density3.520 g/cm³
Orbital period101.1114 days
Semi-major axis0.24200 au
Eccentricity0.340
Incident flux1.200 S⊕
Equilibrium temperature266.0 K
Transit-time σ at 203084.0 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.80 masReflected-light contrast 1.03e-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 coverage75%0% median composite-to-default difference over shared parameters.
Host star & system
HostKepler-440
Spectral typeK
Effective temperature4134 K
Radius0.559 R☉
Mass0.575 M☉
Distance301.0 pc / 981.8 ly
DiscoveryTransit, 2015