Finding Earth 2.0
TOI-1266 · M2

TOI-1266 d

Rank #66 of the ranked catalogue · Discovered by Transit Timing Variations in 2025

HZ 2%measured

0.142

Earth-2.0 index

0.827

Earth Similarity Index

2%

Habitable-zone probability

1.74 R⊕

Radius

Planet

Mass3.680 M⊕measured
Bulk density3.840 g/cm³
Orbital period32.5090 days
Semi-major axis0.15130 au
Eccentricity0.087
Incident flux1.300 S⊕
Equilibrium temperature271.4 K
Maximum angular separation4.20 masReflected-light contrast 2.30e-8 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 coverage75%0% median composite-to-default difference over shared parameters.

Host star & system

HostTOI-1266
Spectral typeM2
Effective temperature3563 K
Radius0.423 R☉
Mass0.437 M☉
Distance36.0 pc / 117.5 ly
DiscoveryTransit Timing Variations, 2025