HAT-P-9 · F7
HAT-P-9 b
Rank #5305 of the ranked catalogue · Discovered by Transit in 2008
HZ 0%measured
0.062
Earth-2.0 index
0.069
Earth Similarity Index
0%
Habitable-zone probability
15.61 R⊕
Radius
Planet
Mass238.055 M⊕measured
Bulk density0.342 g/cm³
Orbital period3.9228 days
Semi-major axis0.05287 au
Eccentricity0.084
Incident flux931.000 S⊕
Equilibrium temperature1404.1 K
Transit-time σ at 20302.7 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.12 masReflected-light contrast 1.51e-5 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
HostHAT-P-9
Spectral typeF7
Effective temperature6350 K
Radius1.338 R☉
Mass1.281 M☉
Distance455.2 pc / 1484.7 ly
DiscoveryTransit, 2008