TOI-4311 · K
TOI-4311 b
Rank #3954 of the ranked catalogue · Discovered by Transit in 2026
HZ 0%measured
0.080
Earth-2.0 index
0.148
Earth Similarity Index
0%
Habitable-zone probability
1.38 R⊕
Radius
Planet
Mass4.500 M⊕measured
Bulk density9.300 g/cm³
Orbital period0.9903 days
Semi-major axis0.01817 au
Eccentricity—
Incident flux1273.000 S⊕
Equilibrium temperature1518.4 K
Transit-time σ at 203018.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.14 masReflected-light contrast 9.95e-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-4311
Spectral typeK
Effective temperature5063 K
Radius0.844 R☉
Mass0.816 M☉
Distance135.0 pc / 440.3 ly
DiscoveryTransit, 2026