Finding Earth 2.0
TOI-199 · G9 V

TOI-199 c

Rank #970 of the ranked catalogue · Discovered by Transit Timing Variations in 2023

HZ 100%measured

0.106

Earth-2.0 index

0.362

Earth Similarity Index

100%

Habitable-zone probability

11.40 R⊕

Radius

Planet

Mass88.992 M⊕measured
Bulk density0.330 g/cm³
Orbital period273.6900 days
Semi-major axis0.80700 au
Eccentricity0.096
Incident flux0.705 S⊕
Equilibrium temperature232.9 K
Maximum angular separation7.89 masReflected-light contrast 3.46e-8 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 coverage67%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 Timing Variations, 2023