TOI-172
TOI-172 b
Rank #4059 of the ranked catalogue · Discovered by Transit in 2019
HZ 0%measured
0.079
Earth-2.0 index
0.141
Earth Similarity Index
0%
Habitable-zone probability
10.82 R⊕
Radius
Planet
Mass1722.639 M⊕measured
Bulk density7.530 g/cm³
Orbital period9.4772 days
Semi-major axis0.09140 au
Eccentricity0.381
Incident flux299.000 S⊕
Equilibrium temperature1057.0 K
Transit-time σ at 2030499.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.27 masReflected-light contrast 2.43e-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-172
Spectral typeG
Effective temperature5645 K
Radius1.777 R☉
Mass1.128 M☉
Distance342.8 pc / 1118.2 ly
DiscoveryTransit, 2019