Kepler-138 · M1 V
Kepler-138 d
Rank #77 of the ranked catalogue · Discovered by Transit in 2014
HZ 0%measured
0.138
Earth-2.0 index
0.702
Earth Similarity Index
0%
Habitable-zone probability
1.51 R⊕
Radius
Planet
Mass2.100 M⊕measured
Bulk density3.600 g/cm³
Orbital period23.0923 days
Semi-major axis0.12880 au
Eccentricity0.010
Incident flux3.400 S⊕
Equilibrium temperature345.2 K
Transit-time σ at 2030282.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.93 masReflected-light contrast 2.39e-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