Finding Earth 2.0
TOI-1438 · K0 V

TOI-1438 b

Rank #2396 of the ranked catalogue · Discovered by Transit in 2025

HZ 0%measured

0.093

Earth-2.0 index

0.232

Earth Similarity Index

0%

Habitable-zone probability

3.04 R⊕

Radius

Planet

Mass9.400 M⊕measured
Bulk density1.800 g/cm³
Orbital period5.1397 days
Semi-major axis0.05530 au
Eccentricity0.000
Incident flux145.000 S⊕
Equilibrium temperature882.1 K
Transit-time σ at 20303.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.50 masReflected-light contrast 5.25e-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 coverage100%0% median composite-to-default difference over shared parameters.

Host star & system

HostTOI-1438
Spectral typeK0 V
Effective temperature5230 K
Radius0.820 R☉
Mass0.876 M☉
Distance110.5 pc / 360.4 ly
DiscoveryTransit, 2025