Finding Earth 2.0
TOI-431

TOI-431 d

Rank #986 of the ranked catalogue · Discovered by Transit in 2021

HZ 0%measured

0.106

Earth-2.0 index

0.337

Earth Similarity Index

0%

Habitable-zone probability

3.29 R⊕

Radius

Planet

Mass9.900 M⊕measured
Bulk density1.360 g/cm³
Orbital period12.4610 days
Semi-major axis0.09800 au
Eccentricity0.000
Incident flux28.359 S⊕
Equilibrium temperature586.6 K
Transit-time σ at 20309.0 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation3.01 masReflected-light contrast 1.96e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage92%0% median composite-to-default difference over shared parameters.

Host star & system

HostTOI-431
Spectral typeK
Effective temperature4850 K
Radius0.731 R☉
Mass0.780 M☉
Distance32.6 pc / 106.2 ly
DiscoveryTransit, 2021