K2-189
K2-189 b
Rank #3710 of the ranked catalogue · Discovered by Transit in 2018
HZ 0%inferred
0.082
Earth-2.0 index
0.214
Earth Similarity Index
0%
Habitable-zone probability
1.40 R⊕
Radius
Planet
Mass2.550 M⊕inferred
Bulk density5.070 g/cm³
Orbital period2.5881 days
Semi-major axis0.03610 au
Eccentricity—
Incident flux497.000 S⊕
Equilibrium temperature1200.2 K
Transit-time σ at 2030323.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.15 masReflected-light contrast 2.62e-7 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 coverage73%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-189
Spectral typeG
Effective temperature5442 K
Radius0.879 R☉
Mass0.850 M☉
Distance242.1 pc / 789.7 ly
DiscoveryTransit, 2018