Kepler-189
Kepler-189 c
Rank #773 of the ranked catalogue · Discovered by Transit in 2014
HZ 0%measured
0.109
Earth-2.0 index
0.374
Earth Similarity Index
0%
Habitable-zone probability
2.38 R⊕
Radius
Planet
Mass22.700 M⊕measured
Bulk density9.250 g/cm³
Orbital period20.1349 days
Semi-major axis0.13700 au
Eccentricity0.000
Incident flux18.811 S⊕
Equilibrium temperature529.4 K
Transit-time σ at 203030.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.23 masReflected-light contrast 5.24e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources8 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage50%0% median composite-to-default difference over shared parameters.
Host star & system
HostKepler-189
Spectral typeG
Effective temperature5235 K
Radius0.750 R☉
Mass0.803 M☉
Distance591.5 pc / 1929.3 ly
DiscoveryTransit, 2014