Finding Earth 2.0
WASP-31

WASP-31 b

Rank #5466 of the ranked catalogue · Discovered by Transit in 2010

HZ 0%measured

0.058

Earth-2.0 index

0.057

Earth Similarity Index

0%

Habitable-zone probability

17.36 R⊕

Radius

Planet

Mass151.916 M⊕measured
Bulk density0.172 g/cm³
Orbital period3.4059 days
Semi-major axis0.04659 au
Eccentricity0.000
Incident flux970.942 S⊕
Equilibrium temperature1418.9 K
Transit-time σ at 203015.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.12 masReflected-light contrast 2.41e-5 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-31
Spectral typeF
Effective temperature6302 K
Radius1.252 R☉
Mass1.163 M☉
Distance383.8 pc / 1251.9 ly
DiscoveryTransit, 2010