WASP-42
WASP-42 b
Rank #4257 of the ranked catalogue · Discovered by Transit in 2012
HZ 0%measured
0.077
Earth-2.0 index
0.132
Earth Similarity Index
0%
Habitable-zone probability
12.58 R⊕
Radius
Planet
Mass167.496 M⊕measured
Bulk density0.464 g/cm³
Orbital period4.9817 days
Semi-major axis0.05610 au
Eccentricity0.062
Incident flux137.118 S⊕
Equilibrium temperature869.8 K
Transit-time σ at 20302.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.32 masReflected-light contrast 8.72e-6 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 coverage83%0% median composite-to-default difference over shared parameters.
Host star & system
HostWASP-42
Spectral typeG
Effective temperature5315 K
Radius0.892 R☉
Mass0.951 M☉
Distance177.3 pc / 578.2 ly
DiscoveryTransit, 2012