WASP-177 · K2
WASP-177 b
Rank #5207 of the ranked catalogue · Discovered by Transit in 2019
HZ 0%measured
0.064
Earth-2.0 index
0.080
Earth Similarity Index
0%
Habitable-zone probability
17.71 R⊕
Radius
Planet
Mass161.458 M⊕measured
Bulk density0.172 g/cm³
Orbital period3.0717 days
Semi-major axis0.03957 au
Eccentricity—
Incident flux279.774 S⊕
Equilibrium temperature1039.6 K
Transit-time σ at 20302.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.22 masReflected-light contrast 3.48e-5 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage91%0% median composite-to-default difference over shared parameters.
Host star & system
HostWASP-177
Spectral typeK2
Effective temperature5017 K
Radius0.885 R☉
Mass0.876 M☉
Distance176.8 pc / 576.7 ly
DiscoveryTransit, 2019