Finding Earth 2.0
TOI-199 · G9 V

TOI-199 b

Rank #1697 of the ranked catalogue · Discovered by Transit in 2023

HZ 0%measured

0.099

Earth-2.0 index

0.276

Earth Similarity Index

0%

Habitable-zone probability

9.08 R⊕

Radius

Planet

Mass54.031 M⊕measured
Bulk density0.397 g/cm³
Orbital period104.8540 days
Semi-major axis0.42540 au
Eccentricity0.090
Incident flux8.542 S⊕
Equilibrium temperature434.6 K
Transit-time σ at 2030115.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation4.16 masReflected-light contrast 7.91e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage75%0% median composite-to-default difference over shared parameters.

Host star & system

HostTOI-199
Spectral typeG9 V
Effective temperature5255 K
Radius0.820 R☉
Mass0.936 M☉
Distance102.3 pc / 333.6 ly
DiscoveryTransit, 2023