TOI-1221
TOI-1221 b
Rank #4169 of the ranked catalogue · Discovered by Transit in 2023
HZ 0%upper limit
0.078
Earth-2.0 index
0.184
Earth Similarity Index
0%
Habitable-zone probability
2.91 R⊕
Radius
Planet
Mass1112.399 M⊕upper limit
Bulk density248.914 g/cm³
Orbital period91.6828 days
Semi-major axis0.38700 au
Eccentricity0.210
Incident flux6.060 S⊕
Equilibrium temperature398.8 K
Transit-time σ at 203027.0 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation2.80 masReflected-light contrast 9.81e-9 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-1221
Spectral typeG
Effective temperature5592 K
Radius1.031 R☉
Mass0.930 M☉
Distance138.4 pc / 451.4 ly
DiscoveryTransit, 2023