K2-254
K2-254 c
Rank #1183 of the ranked catalogue · Discovered by Transit in 2018
HZ 0%inferred
0.104
Earth-2.0 index
0.448
Earth Similarity Index
0%
Habitable-zone probability
2.19 R⊕
Radius
Planet
Mass5.430 M⊕inferred
Bulk density2.840 g/cm³
Orbital period12.1184 days
Semi-major axis0.09230 au
Eccentricity—
Incident flux17.667 S⊕
Equilibrium temperature521.1 K
Transit-time σ at 20301872.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.41 masReflected-light contrast 9.77e-8 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 coverage73%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-254
Spectral typeK
Effective temperature4629 K
Radius0.670 R☉
Mass0.710 M☉
Distance227.8 pc / 742.9 ly
DiscoveryTransit, 2018