K2-308
K2-308 b
Rank #5437 of the ranked catalogue · Discovered by Transit in 2019
HZ 0%inferred
0.058
Earth-2.0 index
0.094
Earth Similarity Index
0%
Habitable-zone probability
9.92 R⊕
Radius
Planet
Mass70.600 M⊕inferred
Bulk density0.398 g/cm³
Orbital period3.3863 days
Semi-major axis— au
Eccentricity—
Incident flux512.923 S⊕
Equilibrium temperature1209.7 K
Transit-time σ at 203039.8 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.04 masReflected-light contrast 8.27e-6 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 coverage60%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-308
Spectral typeF
Effective temperature6100 K
Radius1.240 R☉
Mass1.090 M☉
Distance1314.5 pc / 4287.4 ly
DiscoveryTransit, 2019