Kepler-1661 · K
Kepler-1661 b
Rank #102 of the ranked catalogue · Discovered by Transit in 2020
HZ 100%measured
0.132
Earth-2.0 index
0.650
Earth Similarity Index
100%
Habitable-zone probability
3.87 R⊕
Radius
Planet
Mass17.000 M⊕measured
Bulk density1.600 g/cm³
Orbital period175.0600 days
Semi-major axis0.63300 au
Eccentricity0.057
Incident flux0.880 S⊕
Equilibrium temperature246.2 K
Transit-time σ at 20303248.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.54 masReflected-light contrast 6.49e-9 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage100%0% median composite-to-default difference over shared parameters.
Host star & system
HostKepler-1661
Spectral typeK
Effective temperature5100 K
Radius0.762 R☉
Mass0.841 M☉
Distance410.6 pc / 1339.2 ly
DiscoveryTransit, 2020