Finding Earth 2.0
WASP-17 · F4

WASP-17 b

Rank #5552 of the ranked catalogue · Discovered by Transit in 2009

HZ 0%measured

0.054

Earth-2.0 index

0.049

Earth Similarity Index

0%

Habitable-zone probability

20.96 R⊕

Radius

Planet

Mass247.907 M⊕measured
Bulk density0.082 g/cm³
Orbital period3.7354 days
Semi-major axis0.05150 au
Eccentricity0.000
Incident flux1292.190 S⊕
Equilibrium temperature1524.0 K
Transit-time σ at 203024.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.13 masReflected-light contrast 2.88e-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-17
Spectral typeF4
Effective temperature6550 K
Radius1.490 R☉
Mass2.280 M☉
Distance405.9 pc / 1323.9 ly
DiscoveryTransit, 2009