K2-331
K2-331 b
Discovered by Transit in 2021
unknowninferred
—
Earth-2.0 index
—
Earth Similarity Index
—
Habitable-zone probability
1.79 R⊕
Radius
Planet
Mass3.860 M⊕inferred
Bulk density3.700 g/cm³
Orbital period9.3990 days
Semi-major axis— au
Eccentricity—
Incident flux— S⊕
Equilibrium temperature909.0 K
Transit-time σ at 20301015.0 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.43 masReflected-light contrast 6.87e-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 coverage78%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-331
Spectral typeG
Effective temperature5994 K
Radius1.060 R☉
Mass1.100 M☉
Distance211.4 pc / 689.6 ly
DiscoveryTransit, 2021