K2-188
K2-188 b
Rank #4827 of the ranked catalogue · Discovered by Transit in 2018
HZ 0%inferred
0.070
Earth-2.0 index
0.143
Earth Similarity Index
0%
Habitable-zone probability
1.35 R⊕
Radius
Planet
Mass2.390 M⊕inferred
Bulk density5.340 g/cm³
Orbital period1.7422 days
Semi-major axis0.02890 au
Eccentricity—
Incident flux1945.697 S⊕
Equilibrium temperature1688.2 K
Transit-time σ at 20302025.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.07 masReflected-light contrast 3.79e-7 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 coverage73%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-188
Spectral typeG
Effective temperature5977 K
Radius1.190 R☉
Mass1.060 M☉
Distance446.8 pc / 1457.3 ly
DiscoveryTransit, 2018