Finding Earth 2.0
WASP-123 · G5

WASP-123 b

Rank #5205 of the ranked catalogue · Discovered by Transit in 2016

HZ 0%measured

0.064

Earth-2.0 index

0.077

Earth Similarity Index

0%

Habitable-zone probability

15.13 R⊕

Radius

Planet

Mass285.729 M⊕measured
Bulk density0.491 g/cm³
Orbital period2.9776 days
Semi-major axis0.04263 au
Eccentricity0.000
Incident flux758.324 S⊕
Equilibrium temperature1333.9 K
Transit-time σ at 20301.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.21 masReflected-light contrast 2.19e-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 coverage33%0% median composite-to-default difference over shared parameters.

Host star & system

HostWASP-123
Spectral typeG5
Effective temperature5740 K
Radius1.285 R☉
Mass1.166 M☉
Distance198.0 pc / 645.8 ly
DiscoveryTransit, 2016