Finding Earth 2.0
TOI-4561

TOI-4561 b

Rank #2921 of the ranked catalogue · Discovered by Transit in 2026

HZ 0%inferred

0.088

Earth-2.0 index

0.320

Earth Similarity Index

0%

Habitable-zone probability

1.78 R⊕

Radius

Planet

Mass3.810 M⊕inferred
Bulk density3.730 g/cm³
Orbital period8.9355 days
Semi-major axis— au
Eccentricity
Incident flux91.962 S⊕
Equilibrium temperature787.2 K
Transit-time σ at 203042.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.47 masReflected-light contrast 7.73e-8 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-4561
Spectral typeG
Effective temperature5538 K
Radius0.852 R☉
Mass1.000 M☉
Distance179.0 pc / 583.8 ly
DiscoveryTransit, 2026