TOI-2040
TOI-2040 b
Rank #4042 of the ranked catalogue · Discovered by Transit in 2026
HZ 0%measured
0.079
Earth-2.0 index
0.144
Earth Similarity Index
0%
Habitable-zone probability
10.32 R⊕
Radius
Planet
Mass248.224 M⊕measured
Bulk density1.240 g/cm³
Orbital period3.8609 days
Semi-major axis0.04730 au
Eccentricity0.109
Incident flux216.000 S⊕
Equilibrium temperature974.5 K
Transit-time σ at 20304.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.33 masReflected-light contrast 8.27e-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-2040
Spectral typeK
Effective temperature5132 K
Radius0.870 R☉
Mass0.920 M☉
Distance144.7 pc / 472.0 ly
DiscoveryTransit, 2026