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Public Universe

Exoplanet

TOI-128.01

223.33 light-years

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Discovery
Transit · 2024
Radius
2.219 (+0.1088 / −0.1088) Earth radii
Mass
5.56 Earth masses
Orbital period
4.9405 days
Semi-major axis
0.0538 AU
Equilibrium temperature
1,344.51 K
Mass provenance
M-R relationship

Measurements may come from different studies and need not form one self-consistent model. “Msini” is a minimum mass; a mass inferred from radius is an estimate. Equilibrium temperature is a model estimate, not a measured surface temperature or evidence of habitability.

NASA archive record and references ↗

Snapshot retrieved: 2026-10-11T04:15:07.688253+00:00