TOI-5811 B · K2 IV+
TOI-5811 B b
Rank #5573 of the ranked catalogue · Discovered by Transit in 2026
HZ 0%measured
0.053
Earth-2.0 index
0.047
Earth Similarity Index
0%
Habitable-zone probability
21.97 R⊕
Radius
Planet
Mass257.441 M⊕measured
Bulk density0.134 g/cm³
Orbital period6.2566 days
Semi-major axis0.07310 au
Eccentricity—
Incident flux1320.000 S⊕
Equilibrium temperature1532.2 K
Transit-time σ at 203057.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.43 masReflected-light contrast 1.57e-5 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-5811 B
Spectral typeK2 IV+
Effective temperature4840 K
Radius3.730 R☉
Mass1.080 M☉
Distance170.1 pc / 554.9 ly
DiscoveryTransit, 2026