Finding Earth 2.0
Kepler-138 · M1 V

Kepler-138 e

Rank #68 of the ranked catalogue · Discovered by Transit Timing Variations in 2022

HZ 0%measured

0.141

Earth-2.0 index

0.838

Earth Similarity Index

0%

Habitable-zone probability

0.80 R⊕

Radius

Planet

Mass0.430 M⊕measured
Bulk density4.670 g/cm³
Orbital period38.2300 days
Semi-major axis0.18030 au
Eccentricity0.112
Incident flux1.730 S⊕
Equilibrium temperature291.5 K
Maximum angular separation2.70 masReflected-light contrast 3.39e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage83%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 Timing Variations, 2022