Kepler-8
Kepler-8 b
Rank #5449 of the ranked catalogue · Discovered by Transit in 2010
HZ 0%measured
0.058
Earth-2.0 index
0.057
Earth Similarity Index
0%
Habitable-zone probability
15.87 R⊕
Radius
Planet
Mass187.520 M⊕measured
Bulk density0.270 g/cm³
Orbital period3.5225 days
Semi-major axis0.04740 au
Eccentricity0.000
Incident flux1444.881 S⊕
Equilibrium temperature1567.2 K
Transit-time σ at 20302.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.05 masReflected-light contrast 1.95e-5 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 coverage83%0% median composite-to-default difference over shared parameters.
Host star & system
HostKepler-8
Spectral typeF
Effective temperature6213 K
Radius1.486 R☉
Mass1.213 M☉
Distance1021.9 pc / 3332.9 ly
DiscoveryTransit, 2010