K2-280
K2-280 b
Rank #3221 of the ranked catalogue · Discovered by Transit in 2018
HZ 0%measured
0.086
Earth-2.0 index
0.181
Earth Similarity Index
0%
Habitable-zone probability
7.50 R⊕
Radius
Planet
Mass37.100 M⊕measured
Bulk density0.480 g/cm³
Orbital period19.8953 days
Semi-major axis0.14610 au
Eccentricity0.350
Incident flux69.500 S⊕
Equilibrium temperature733.9 K
Transit-time σ at 2030105.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.37 masReflected-light contrast 4.57e-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 coverage92%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-280
Spectral typeG
Effective temperature5500 K
Radius1.280 R☉
Mass1.030 M☉
Distance391.5 pc / 1277.0 ly
DiscoveryTransit, 2018