Finding Earth 2.0
WASP-8 · G8 V

WASP-8 b

Rank #3946 of the ranked catalogue · Discovered by Transit in 2010

HZ 0%measured

0.080

Earth-2.0 index

0.148

Earth Similarity Index

0%

Habitable-zone probability

12.67 R⊕

Radius

Planet

Mass807.288 M⊕measured
Bulk density2.100 g/cm³
Orbital period8.1587 days
Semi-major axis0.08010 au
Eccentricity0.310
Incident flux209.118 S⊕
Equilibrium temperature966.6 K
Transit-time σ at 203011.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.89 masReflected-light contrast 4.34e-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

HostWASP-8
Spectral typeG8 V
Effective temperature5600 K
Radius1.030 R☉
Mass1.340 M☉
Distance90.0 pc / 293.4 ly
DiscoveryTransit, 2010