TOI-6303
TOI-6303 b
Rank #1434 of the ranked catalogue · Discovered by Transit in 2025
HZ 0%measured
0.101
Earth-2.0 index
0.291
Earth Similarity Index
0%
Habitable-zone probability
11.59 R⊕
Radius
Planet
Mass2493.000 M⊕measured
Bulk density8.820 g/cm³
Orbital period9.4852 days
Semi-major axis0.07610 au
Eccentricity0.020
Incident flux14.280 S⊕
Equilibrium temperature494.1 K
Transit-time σ at 20306.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.50 masReflected-light contrast 4.03e-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-6303
Spectral typeK
Effective temperature3977 K
Radius0.609 R☉
Mass0.644 M☉
Distance152.2 pc / 496.5 ly
DiscoveryTransit, 2025