TOI-5261
TOI-5261 b
Rank #4129 of the ranked catalogue · Discovered by Transit in 2025
HZ 0%measured
0.078
Earth-2.0 index
0.144
Earth Similarity Index
0%
Habitable-zone probability
11.60 R⊕
Radius
Planet
Mass3651.848 M⊕measured
Bulk density12.900 g/cm³
Orbital period4.1510 days
Semi-major axis0.05134 au
Eccentricity0.159
Incident flux159.592 S⊕
Equilibrium temperature903.5 K
Transit-time σ at 20306.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.14 masReflected-light contrast 8.86e-6 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 coverage92%0% median composite-to-default difference over shared parameters.
Host star & system
HostTOI-5261
Spectral typeG
Effective temperature5790 K
Radius1.021 R☉
Mass1.037 M☉
Distance377.1 pc / 1229.8 ly
DiscoveryTransit, 2025