Kepler-438
Kepler-438 b
Rank #24 of the ranked catalogue · Discovered by Transit in 2015
HZ 19%inferred
0.415
Earth-2.0 index
0.851
Earth Similarity Index
19%
Habitable-zone probability
1.12 R⊕
Radius
Planet
Mass1.460 M⊕inferred
Bulk density5.710 g/cm³
Orbital period35.2332 days
Semi-major axis0.16600 au
Eccentricity0.030
Incident flux1.400 S⊕
Equilibrium temperature276.5 K
Transit-time σ at 203081.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.85 masReflected-light contrast 7.90e-9 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 coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
HostKepler-438
Spectral typeK
Effective temperature3748 K
Radius0.520 R☉
Mass0.544 M☉
Distance195.9 pc / 639.1 ly
DiscoveryTransit, 2015