Finding Earth 2.0
TOI-205

TOI-205 b

Rank #5243 of the ranked catalogue · Discovered by Transit in 2026

HZ 0%inferred

0.063

Earth-2.0 index

0.123

Earth Similarity Index

0%

Habitable-zone probability

2.50 R⊕

Radius

Planet

Mass6.810 M⊕inferred
Bulk density2.390 g/cm³
Orbital period4.2530 days
Semi-major axis— au
Eccentricity
Incident flux1740.922 S⊕
Equilibrium temperature1641.9 K
Transit-time σ at 203040.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.31 masReflected-light contrast 3.64e-7 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-205
Spectral typeF
Effective temperature6303 K
Radius1.454 R☉
Mass1.200 M☉
Distance177.8 pc / 579.8 ly
DiscoveryTransit, 2026