K2-391 · G7
K2-391 b
Discovered by Transit in 2022
unknowninferred
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Earth-2.0 index
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Earth Similarity Index
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Habitable-zone probability
1.37 R⊕
Radius
Planet
Mass2.450 M⊕inferred
Bulk density5.220 g/cm³
Orbital period4.6227 days
Semi-major axis— au
Eccentricity—
Incident flux— S⊕
Equilibrium temperature— K
Transit-time σ at 2030373.8 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.10 masReflected-light contrast 1.33e-7 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 coverage75%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-391
Spectral typeG7
Effective temperature5543 K
Radius0.566 R☉
Mass0.757 M☉
Distance507.9 pc / 1656.7 ly
DiscoveryTransit, 2022