TOI-4640
TOI-4640 b
Rank #4996 of the ranked catalogue · Discovered by Transit in 2026
HZ 0%inferred
0.068
Earth-2.0 index
0.144
Earth Similarity Index
0%
Habitable-zone probability
2.84 R⊕
Radius
Planet
Mass8.460 M⊕inferred
Bulk density2.020 g/cm³
Orbital period2.6857 days
Semi-major axis— au
Eccentricity—
Incident flux854.274 S⊕
Equilibrium temperature1374.2 K
Transit-time σ at 2030580.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.16 masReflected-light contrast 9.21e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage50%0% median composite-to-default difference over shared parameters.
Host star & system
HostTOI-4640
Spectral typeG
Effective temperature5743 K
Radius1.067 R☉
Mass1.100 M☉
Distance245.1 pc / 799.4 ly
DiscoveryTransit, 2026