Finding Earth 2.0
Kepler-138 · M1 V

Kepler-138 c

Rank #104 of the ranked catalogue · Discovered by Transit in 2014

HZ 0%measured

0.132

Earth-2.0 index

0.616

Earth Similarity Index

0%

Habitable-zone probability

1.51 R⊕

Radius

Planet

Mass2.300 M⊕measured
Bulk density3.600 g/cm³
Orbital period13.7815 days
Semi-major axis0.09130 au
Eccentricity0.017
Incident flux6.800 S⊕
Equilibrium temperature410.5 K
Transit-time σ at 203071.0 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.36 masReflected-light contrast 4.75e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage100%0% median composite-to-default difference over shared parameters.

Host star & system

HostKepler-138
Spectral typeM1 V
Effective temperature3841 K
Radius0.535 R☉
Mass0.535 M☉
Distance66.9 pc / 218.1 ly
DiscoveryTransit, 2014