HAT-P-2 · F8
HAT-P-2 b
Rank #4895 of the ranked catalogue · Discovered by Transit in 2007
HZ 0%measured
0.069
Earth-2.0 index
0.102
Earth Similarity Index
0%
Habitable-zone probability
10.66 R⊕
Radius
Planet
Mass2866.812 M⊕measured
Bulk density7.290 g/cm³
Orbital period5.6335 days
Semi-major axis0.06814 au
Eccentricity0.517
Incident flux588.518 S⊕
Equilibrium temperature1252.0 K
Transit-time σ at 20303.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.53 masReflected-light contrast 4.25e-6 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 coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
HostHAT-P-2
Spectral typeF8
Effective temperature6380 K
Radius1.390 R☉
Mass1.330 M☉
Distance127.8 pc / 416.7 ly
DiscoveryTransit, 2007