TOI-663 · M1 V
TOI-663 c
Rank #595 of the ranked catalogue · Discovered by Transit in 2024
HZ 0%measured
0.112
Earth-2.0 index
0.392
Earth Similarity Index
0%
Habitable-zone probability
2.26 R⊕
Radius
Planet
Mass3.650 M⊕measured
Bulk density1.730 g/cm³
Orbital period4.6955 days
Semi-major axis0.04370 au
Eccentricity—
Incident flux22.300 S⊕
Equilibrium temperature552.4 K
Transit-time σ at 203011.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.68 masReflected-light contrast 4.64e-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-663
Spectral typeM1 V
Effective temperature3681 K
Radius0.512 R☉
Mass0.514 M☉
Distance64.2 pc / 209.5 ly
DiscoveryTransit, 2024