Finding Earth 2.0
TOI-4438 · M3.5 V

TOI-4438 b

Rank #167 of the ranked catalogue · Discovered by Transit in 2024

HZ 0%measured

0.125

Earth-2.0 index

0.519

Earth Similarity Index

0%

Habitable-zone probability

2.40 R⊕

Radius

Planet

Mass4.110 M⊕measured
Bulk density1.650 g/cm³
Orbital period7.4463 days
Semi-major axis0.05230 au
Eccentricity0.070
Incident flux6.000 S⊕
Equilibrium temperature397.8 K
Transit-time σ at 20303.7 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.74 masReflected-light contrast 3.66e-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 coverage92%0% median composite-to-default difference over shared parameters.

Host star & system

HostTOI-4438
Spectral typeM3.5 V
Effective temperature3501 K
Radius0.365 R☉
Mass0.345 M☉
Distance30.0 pc / 98.0 ly
DiscoveryTransit, 2024