Finding Earth 2.0
WASP-78

WASP-78 b

Rank #5616 of the ranked catalogue · Discovered by Transit in 2012

HZ 0%measured

0.047

Earth-2.0 index

0.034

Earth Similarity Index

0%

Habitable-zone probability

21.63 R⊕

Radius

Planet

Mass352.791 M⊕measured
Bulk density0.131 g/cm³
Orbital period2.1752 days
Semi-major axis0.03488 au
Eccentricity0.000
Incident flux4812.624 S⊕
Equilibrium temperature2117.2 K
Transit-time σ at 203015.0 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.05 masReflected-light contrast 6.68e-5 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-78
Spectral typeF
Effective temperature6100 K
Radius2.460 R☉
Mass1.870 M☉
Distance754.3 pc / 2460.1 ly
DiscoveryTransit, 2012