Exoplanet
TOI-444 b
187.2 light-years
- Discovery
- Transit · 2023
- Radius
- 2.77 (+0.2 / −0.2) Earth radii
- Mass
- 8.1 Earth masses
- Orbital period
- 17.9636 (+4 × 10⁻⁵ / −4 × 10⁻⁵) days
- Semi-major axis
- 0.133 (+6 × 10⁻³ / −6 × 10⁻³) AU
- Equilibrium temperature
- 609 (+61 / −61) 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