K2-389 · G3
K2-389 c
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
2.04 R⊕
Radius
Planet
Mass4.820 M⊕inferred
Bulk density3.120 g/cm³
Orbital period20.8513 days
Semi-major axis— au
Eccentricity—
Incident flux— S⊕
Equilibrium temperature— K
Transit-time σ at 2030978.8 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.53 masReflected-light contrast 3.81e-8 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
HostK2-389
Spectral typeG3
Effective temperature5782 K
Radius1.084 R☉
Mass0.802 M☉
Distance259.2 pc / 845.4 ly
DiscoveryTransit, 2022