WASP-197
WASP-197 b
Rank #5278 of the ranked catalogue · Discovered by Transit in 2025
HZ 0%measured
0.062
Earth-2.0 index
0.073
Earth Similarity Index
0%
Habitable-zone probability
14.45 R⊕
Radius
Planet
Mass403.324 M⊕measured
Bulk density0.740 g/cm³
Orbital period5.1672 days
Semi-major axis0.06500 au
Eccentricity0.000
Incident flux1276.000 S⊕
Equilibrium temperature1519.2 K
Transit-time σ at 20305.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.13 masReflected-light contrast 8.58e-6 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources2 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage100%0% median composite-to-default difference over shared parameters.
Host star & system
HostWASP-197
Spectral typeF
Effective temperature6050 K
Radius2.112 R☉
Mass1.360 M☉
Distance483.7 pc / 1577.5 ly
DiscoveryTransit, 2025