Finding Earth 2.0
TOI-5181 A

TOI-5181 A b

Rank #5187 of the ranked catalogue · Discovered by Transit in 2025

HZ 0%measured

0.064

Earth-2.0 index

0.079

Earth Similarity Index

0%

Habitable-zone probability

13.35 R⊕

Radius

Planet

Mass330.541 M⊕measured
Bulk density0.760 g/cm³
Orbital period3.8922 days
Semi-major axis0.05220 au
Eccentricity0.150
Incident flux1053.000 S⊕
Equilibrium temperature1448.0 K
Transit-time σ at 20302.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.11 masReflected-light contrast 1.14e-5 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-5181 A
Spectral typeF
Effective temperature6060 K
Radius1.530 R☉
Mass1.250 M☉
Distance480.2 pc / 1566.1 ly
DiscoveryTransit, 2025