Finding Earth 2.0
Kepler-1388

Kepler-1388 d

Rank #973 of the ranked catalogue · Discovered by Transit in 2016

HZ 0%inferred

0.106

Earth-2.0 index

0.477

Earth Similarity Index

0%

Habitable-zone probability

2.86 R⊕

Radius

Planet

Mass8.550 M⊕inferred
Bulk density2.010 g/cm³
Orbital period20.9568 days
Semi-major axis0.12600 au
Eccentricity0.000
Incident flux8.660 S⊕
Equilibrium temperature436.1 K
Transit-time σ at 203089.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.28 masReflected-light contrast 8.94e-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 coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostKepler-1388
Spectral typeK
Effective temperature4098 K
Radius0.610 R☉
Mass0.630 M☉
Distance453.8 pc / 1480.1 ly
DiscoveryTransit, 2016