TOI-663 · M1 V
TOI-663 b
Rank #1010 of the ranked catalogue · Discovered by Transit in 2024
HZ 0%measured
0.106
Earth-2.0 index
0.332
Earth Similarity Index
0%
Habitable-zone probability
2.27 R⊕
Radius
Planet
Mass4.450 M⊕measured
Bulk density2.070 g/cm³
Orbital period2.5989 days
Semi-major axis0.02950 au
Eccentricity—
Incident flux49.100 S⊕
Equilibrium temperature672.9 K
Transit-time σ at 20307.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.46 masReflected-light contrast 1.03e-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-663
Spectral typeM1 V
Effective temperature3681 K
Radius0.512 R☉
Mass0.514 M☉
Distance64.2 pc / 209.5 ly
DiscoveryTransit, 2024