Finding Earth 2.0
WASP-66

WASP-66 b

Rank #5290 of the ranked catalogue · Discovered by Transit in 2012

HZ 0%measured

0.062

Earth-2.0 index

0.072

Earth Similarity Index

0%

Habitable-zone probability

15.69 R⊕

Radius

Planet

Mass746.900 M⊕measured
Bulk density1.144 g/cm³
Orbital period4.0861 days
Semi-major axis0.05460 au
Eccentricity0.000
Incident flux1434.774 S⊕
Equilibrium temperature1564.4 K
Transit-time σ at 203012.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.11 masReflected-light contrast 1.43e-5 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources7 · 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

HostWASP-66
Spectral typeF
Effective temperature6600 K
Radius1.760 R☉
Mass1.330 M☉
Distance500.3 pc / 1631.6 ly
DiscoveryTransit, 2012