K2-81
K2-81 b
Rank #2197 of the ranked catalogue · Discovered by Transit in 2016
HZ 0%inferred
0.094
Earth-2.0 index
0.340
Earth Similarity Index
0%
Habitable-zone probability
1.97 R⊕
Radius
Planet
Mass4.540 M⊕inferred
Bulk density3.260 g/cm³
Orbital period6.1023 days
Semi-major axis0.05900 au
Eccentricity0.060
Incident flux62.900 S⊕
Equilibrium temperature715.9 K
Transit-time σ at 2030521.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.23 masReflected-light contrast 1.94e-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 coverage75%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-81
Spectral typeK
Effective temperature4674 K
Radius0.635 R☉
Mass0.745 M☉
Distance252.3 pc / 823.0 ly
DiscoveryTransit, 2016