TOI-1203 · G3 V
TOI-1203 b
Rank #2892 of the ranked catalogue · Discovered by Radial Velocity in 2025
HZ 0%measured
0.089
Earth-2.0 index
0.203
Earth Similarity Index
0%
Habitable-zone probability
1.52 R⊕
Radius
Planet
Mass3.510 M⊕measured
Bulk density5.480 g/cm³
Orbital period4.1573 days
Semi-major axis0.04869 au
Eccentricity0.067
Incident flux572.200 S⊕
Equilibrium temperature1243.2 K
Transit-time σ at 20307.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.75 masReflected-light contrast 1.69e-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 coverage100%0% median composite-to-default difference over shared parameters.
Host star & system
HostTOI-1203
Spectral typeG3 V
Effective temperature5737 K
Radius1.179 R☉
Mass0.886 M☉
Distance65.0 pc / 212.0 ly
DiscoveryRadial Velocity, 2025