K2-281
K2-281 b
Rank #3825 of the ranked catalogue · Discovered by Transit in 2018
HZ 0%inferred
0.081
Earth-2.0 index
0.210
Earth Similarity Index
0%
Habitable-zone probability
8.18 R⊕
Radius
Planet
Mass50.900 M⊕inferred
Bulk density0.511 g/cm³
Orbital period8.6877 days
Semi-major axis0.07730 au
Eccentricity—
Incident flux37.738 S⊕
Equilibrium temperature630.0 K
Transit-time σ at 2030127.9 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.17 masReflected-light contrast 1.94e-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 coverage73%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-281
Spectral typeK
Effective temperature4812 K
Radius0.760 R☉
Mass0.820 M☉
Distance458.1 pc / 1494.2 ly
DiscoveryTransit, 2018