Finding Earth 2.0
TOI-5422

TOI-5422 b

Rank #5374 of the ranked catalogue · Discovered by Transit in 2026

HZ 0%measured

0.060

Earth-2.0 index

0.066

Earth Similarity Index

0%

Habitable-zone probability

9.10 R⊕

Radius

Planet

Mass8899.195 M⊕measured
Bulk density65.800 g/cm³
Orbital period5.3772 days
Semi-major axis0.06190 au
Eccentricity0.094
Incident flux580.000 S⊕
Equilibrium temperature1247.4 K
Transit-time σ at 20306.9 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.18 masReflected-light contrast 3.75e-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-5422
Spectral typeG
Effective temperature5820 K
Radius1.474 R☉
Mass1.066 M☉
Distance346.1 pc / 1129.0 ly
DiscoveryTransit, 2026