TOI-4578
TOI-4578 b
Rank #3592 of the ranked catalogue · Discovered by Transit in 2026
HZ 0%inferred
0.083
Earth-2.0 index
0.274
Earth Similarity Index
0%
Habitable-zone probability
2.27 R⊕
Radius
Planet
Mass5.770 M⊕inferred
Bulk density2.710 g/cm³
Orbital period8.6239 days
Semi-major axis— au
Eccentricity—
Incident flux119.025 S⊕
Equilibrium temperature839.6 K
Transit-time σ at 203033.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.46 masReflected-light contrast 1.26e-7 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 coverage50%0% median composite-to-default difference over shared parameters.
Host star & system
HostTOI-4578
Spectral typeG
Effective temperature5951 K
Radius0.879 R☉
Mass1.077 M☉
Distance182.2 pc / 594.4 ly
DiscoveryTransit, 2026