K2-209
K2-209 b
Discovered by Transit in 2018
unknowninferred
—
Earth-2.0 index
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Earth Similarity Index
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Habitable-zone probability
0.87 R⊕
Radius
Planet
Mass0.586 M⊕inferred
Bulk density4.920 g/cm³
Orbital period2.0806 days
Semi-major axis— au
Eccentricity—
Incident flux— S⊕
Equilibrium temperature— K
Transit-time σ at 2030473.7 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.38 masReflected-light contrast 1.57e-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 coverage75%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-209
Spectral typeK
Effective temperature4720 K
Radius0.712 R☉
Mass0.745 M☉
Distance76.5 pc / 249.5 ly
DiscoveryTransit, 2018