Kepler-4
Kepler-4 b
Rank #4425 of the ranked catalogue · Discovered by Transit in 2009
HZ 0%measured
0.075
Earth-2.0 index
0.120
Earth Similarity Index
0%
Habitable-zone probability
4.00 R⊕
Radius
Planet
Mass24.472 M⊕measured
Bulk density1.910 g/cm³
Orbital period3.2135 days
Semi-major axis0.04560 au
Eccentricity0.000
Incident flux1245.431 S⊕
Equilibrium temperature1510.1 K
Transit-time σ at 2030743.9 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.09 masReflected-light contrast 1.34e-6 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 coverage92%0% median composite-to-default difference over shared parameters.
Host star & system
HostKepler-4
Spectral typeG
Effective temperature5857 K
Radius1.487 R☉
Mass1.223 M☉
Distance487.9 pc / 1591.4 ly
DiscoveryTransit, 2009