Finding Earth 2.0
TOI-3884 · M4

TOI-3884 b

Rank #795 of the ranked catalogue · Discovered by Transit in 2022

HZ 0%measured

0.109

Earth-2.0 index

0.355

Earth Similarity Index

0%

Habitable-zone probability

6.43 R⊕

Radius

Planet

Mass32.590 M⊕measured
Bulk density0.670 g/cm³
Orbital period4.5446 days
Semi-major axis0.03610 au
Eccentricity0.060
Incident flux6.290 S⊕
Equilibrium temperature402.6 K
Transit-time σ at 20309.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.84 masReflected-light contrast 5.51e-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 coverage100%0% median composite-to-default difference over shared parameters.

Host star & system

HostTOI-3884
Spectral typeM4
Effective temperature3180 K
Radius0.302 R☉
Mass0.298 M☉
Distance43.1 pc / 140.7 ly
DiscoveryTransit, 2022