TOI-1803
TOI-1803 c
Rank #1536 of the ranked catalogue · Discovered by Transit in 2025
HZ 0%measured
0.100
Earth-2.0 index
0.281
Earth Similarity Index
0%
Habitable-zone probability
4.29 R⊕
Radius
Planet
Mass8.000 M⊕measured
Bulk density0.419 g/cm³
Orbital period12.8858 days
Semi-major axis0.09700 au
Eccentricity0.000
Incident flux22.000 S⊕
Equilibrium temperature550.5 K
Transit-time σ at 203014.7 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.81 masReflected-light contrast 3.40e-7 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-1803
Spectral typeK
Effective temperature4687 K
Radius0.715 R☉
Mass0.756 M☉
Distance119.2 pc / 388.9 ly
DiscoveryTransit, 2025