Finding Earth 2.0
Kepler-388

Kepler-388 b

Rank #2337 of the ranked catalogue · Discovered by Transit in 2014

HZ 0%inferred

0.093

Earth-2.0 index

0.319

Earth Similarity Index

0%

Habitable-zone probability

0.81 R⊕

Radius

Planet

Mass0.457 M⊕inferred
Bulk density4.730 g/cm³
Orbital period3.1733 days
Semi-major axis0.03600 au
Eccentricity0.000
Incident flux112.210 S⊕
Equilibrium temperature827.3 K
Transit-time σ at 203061.8 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.09 masReflected-light contrast 8.79e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources6 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage42%0% median composite-to-default difference over shared parameters.

Host star & system

HostKepler-388
Spectral typeK
Effective temperature4498 K
Radius0.586 R☉
Mass0.635 M☉
Distance425.0 pc / 1386.2 ly
DiscoveryTransit, 2014