TOI-4458
TOI-4458 b
Rank #5189 of the ranked catalogue · Discovered by Transit in 2026
HZ 0%measured
0.064
Earth-2.0 index
0.080
Earth Similarity Index
0%
Habitable-zone probability
12.41 R⊕
Radius
Planet
Mass552.068 M⊕measured
Bulk density1.590 g/cm³
Orbital period3.9394 days
Semi-major axis0.05220 au
Eccentricity0.030
Incident flux1595.000 S⊕
Equilibrium temperature1606.4 K
Transit-time σ at 20301.9 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.10 masReflected-light contrast 9.81e-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
HostTOI-4458
Spectral typeF
Effective temperature6151 K
Radius1.960 R☉
Mass1.470 M☉
Distance505.4 pc / 1648.5 ly
DiscoveryTransit, 2026