Finding Earth 2.0
Kepler-186 · M1

Kepler-186 e

Rank #172 of the ranked catalogue · Discovered by Transit in 2014

HZ 0%inferred

0.125

Earth-2.0 index

0.725

Earth Similarity Index

0%

Habitable-zone probability

1.27 R⊕

Radius

Planet

Mass2.150 M⊕inferred
Bulk density5.770 g/cm³
Orbital period22.4077 days
Semi-major axis0.11000 au
Eccentricity0.000
Incident flux3.608 S⊕
Equilibrium temperature350.3 K
Transit-time σ at 203035.9 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.62 masReflected-light contrast 2.31e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage58%0% median composite-to-default difference over shared parameters.

Host star & system

HostKepler-186
Spectral typeM1
Effective temperature3788 K
Radius0.472 R☉
Mass0.478 M☉
Distance177.6 pc / 579.2 ly
DiscoveryTransit, 2014