Exoplanet
TOI-1291 b
1,396.35 light-years
- Discovery
- Transit · 2026
- Radius
- 5.6383 (+0.348 / −0.3434) Earth radii
- Mass
- 27.1 Earth masses
- Orbital period
- 7.162 (+1.9873 × 10⁻⁵ / −2.0345 × 10⁻⁵) days
- Semi-major axis
- Unknown
- Equilibrium temperature
- 1,649 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