TOI-603 · F8 IV
TOI-603 b
Rank #4026 of the ranked catalogue · Discovered by Transit in 2026
HZ 0%measured
0.079
Earth-2.0 index
0.145
Earth Similarity Index
0%
Habitable-zone probability
7.37 R⊕
Radius
Planet
Mass33.000 M⊕measured
Bulk density0.453 g/cm³
Orbital period16.1798 days
Semi-major axis0.12820 au
Eccentricity—
Incident flux157.000 S⊕
Equilibrium temperature899.8 K
Transit-time σ at 20304.0 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.62 masReflected-light contrast 5.74e-7 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-603
Spectral typeF8 IV
Effective temperature6027 K
Radius1.477 R☉
Mass1.240 M☉
Distance205.9 pc / 671.6 ly
DiscoveryTransit, 2026