K2-251
K2-251 b
Rank #838 of the ranked catalogue · Discovered by Transit in 2018
HZ 0%inferred
0.108
Earth-2.0 index
0.505
Earth Similarity Index
0%
Habitable-zone probability
2.35 R⊕
Radius
Planet
Mass6.120 M⊕inferred
Bulk density2.590 g/cm³
Orbital period9.3008 days
Semi-major axis0.06940 au
Eccentricity—
Incident flux9.444 S⊕
Equilibrium temperature445.6 K
Transit-time σ at 20302524.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.47 masReflected-light contrast 1.99e-7 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
HostK2-251
Spectral typeK
Effective temperature3717 K
Radius0.490 R☉
Mass0.520 M☉
Distance147.0 pc / 479.5 ly
DiscoveryTransit, 2018