TOI-3877
TOI-3877 b
Rank #5183 of the ranked catalogue · Discovered by Transit in 2025
HZ 0%measured
0.064
Earth-2.0 index
0.080
Earth Similarity Index
0%
Habitable-zone probability
11.68 R⊕
Radius
Planet
Mass99.798 M⊕measured
Bulk density0.342 g/cm³
Orbital period4.1236 days
Semi-major axis0.05290 au
Eccentricity0.220
Incident flux729.000 S⊕
Equilibrium temperature1320.8 K
Transit-time σ at 20306.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.11 masReflected-light contrast 8.46e-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-3877
Spectral typeG
Effective temperature5731 K
Radius1.445 R☉
Mass1.160 M☉
Distance493.8 pc / 1610.5 ly
DiscoveryTransit, 2025