TOI-251
TOI-251 b
Rank #5229 of the ranked catalogue · Discovered by Transit in 2021
HZ 0%upper limit
0.064
Earth-2.0 index
0.104
Earth Similarity Index
0%
Habitable-zone probability
2.74 R⊕
Radius
Planet
Mass317.830 M⊕upper limit
Bulk density85.194 g/cm³
Orbital period4.9378 days
Semi-major axis0.05741 au
Eccentricity0.000
Incident flux277.746 S⊕
Equilibrium temperature1037.7 K
Transit-time σ at 203035.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.58 masReflected-light contrast 3.95e-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 coverage82%0% median composite-to-default difference over shared parameters.
Host star & system
HostTOI-251
Spectral typeG
Effective temperature5875 K
Radius0.881 R☉
Mass1.036 M☉
Distance99.5 pc / 324.6 ly
DiscoveryTransit, 2021