Finding Earth 2.0
TOI-237 · M4.5 V

TOI-237 c

Rank #660 of the ranked catalogue · Discovered by Transit in 2026

HZ 0%inferred

0.111

Earth-2.0 index

0.541

Earth Similarity Index

0%

Habitable-zone probability

1.21 R⊕

Radius

Planet

Mass1.900 M⊕inferred
Bulk density5.950 g/cm³
Orbital period1.7449 days
Semi-major axis0.01600 au
Eccentricity
Incident flux16.000 S⊕
Equilibrium temperature508.4 K
Transit-time σ at 20303.2 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.42 masReflected-light contrast 9.86e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage82%0% median composite-to-default difference over shared parameters.

Host star & system

HostTOI-237
Spectral typeM4.5 V
Effective temperature3226 K
Radius0.206 R☉
Mass0.170 M☉
Distance38.1 pc / 124.2 ly
DiscoveryTransit, 2026