Kepler-661
Kepler-661 b
Rank #2598 of the ranked catalogue · Discovered by Transit in 2016
HZ 0%inferred
0.091
Earth-2.0 index
0.313
Earth Similarity Index
0%
Habitable-zone probability
3.07 R⊕
Radius
Planet
Mass9.640 M⊕inferred
Bulk density1.830 g/cm³
Orbital period6.0293 days
Semi-major axis0.05850 au
Eccentricity0.000
Incident flux45.528 S⊕
Equilibrium temperature660.3 K
Transit-time σ at 20309.7 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.11 masReflected-light contrast 4.78e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources6 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage50%0% median composite-to-default difference over shared parameters.
Host star & system
HostKepler-661
Spectral typeK
Effective temperature4483 K
Radius0.670 R☉
Mass0.700 M☉
Distance534.8 pc / 1744.2 ly
DiscoveryTransit, 2016