Kepler-33
Kepler-33 d
Rank #4302 of the ranked catalogue · Discovered by Transit in 2011
HZ 0%measured
0.076
Earth-2.0 index
0.127
Earth Similarity Index
0%
Habitable-zone probability
5.35 R⊕
Radius
Planet
Mass3.910 M⊕measured
Bulk density0.250 g/cm³
Orbital period21.7760 days
Semi-major axis0.16620 au
Eccentricity0.000
Incident flux123.691 S⊕
Equilibrium temperature847.7 K
Transit-time σ at 203054.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.14 masReflected-light contrast 1.80e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
HostKepler-33
Spectral typeG
Effective temperature5904 K
Radius1.820 R☉
Mass1.291 M☉
Distance1209.2 pc / 3943.7 ly
DiscoveryTransit, 2011