Finding Earth 2.0
Kepler-1389

Kepler-1389 b

Rank #146 of the ranked catalogue · Discovered by Transit in 2016

HZ 0%inferred

0.127

Earth-2.0 index

0.778

Earth Similarity Index

0%

Habitable-zone probability

1.77 R⊕

Radius

Planet

Mass3.780 M⊕inferred
Bulk density3.750 g/cm³
Orbital period99.2531 days
Semi-major axis0.38249 au
Eccentricity0.000
Incident flux1.871 S⊕
Equilibrium temperature297.3 K
Transit-time σ at 203095.9 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.77 masReflected-light contrast 3.72e-9 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 coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostKepler-1389
Spectral typeK
Effective temperature5078 K
Radius0.740 R☉
Mass0.810 M☉
Distance497.1 pc / 1621.3 ly
DiscoveryTransit, 2016