TOI-4552 · M4.5 V
TOI-4552 b
Rank #1956 of the ranked catalogue · Discovered by Transit in 2026
HZ 0%measured
0.097
Earth-2.0 index
0.256
Earth Similarity Index
0%
Habitable-zone probability
1.11 R⊕
Radius
Planet
Mass1.830 M⊕measured
Bulk density7.740 g/cm³
Orbital period0.3011 days
Semi-major axis0.00563 au
Eccentricity0.000
Incident flux263.000 S⊕
Equilibrium temperature1023.7 K
Transit-time σ at 20302.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.21 masReflected-light contrast 6.76e-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-4552
Spectral typeM4.5 V
Effective temperature3258 K
Radius0.287 R☉
Mass0.262 M☉
Distance27.3 pc / 88.9 ly
DiscoveryTransit, 2026