WASP-18 · F6 IV-V
WASP-18 b
Rank #5474 of the ranked catalogue · Discovered by Transit in 2009
HZ 0%measured
0.057
Earth-2.0 index
0.055
Earth Similarity Index
0%
Habitable-zone probability
13.90 R⊕
Radius
Planet
Mass3241.850 M⊕measured
Bulk density6.600 g/cm³
Orbital period0.9415 days
Semi-major axis0.02024 au
Eccentricity0.005
Incident flux5805.000 S⊕
Equilibrium temperature2218.8 K
Transit-time σ at 20302.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.16 masReflected-light contrast 8.19e-5 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources2 · 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
HostWASP-18
Spectral typeF6 IV-V
Effective temperature6432 K
Radius1.319 R☉
Mass1.294 M☉
Distance123.5 pc / 402.7 ly
DiscoveryTransit, 2009