Exoplanet
TOI-5261 b
1,229.79 light-years
- Discovery
- Transit · 2025
- Radius
- 11.6013 (+0.4708 / −0.4596) Earth radii
- Mass
- 3,651.8484 (+136.6662 / −146.2011) Earth masses
- Orbital period
- 4.151 (+6.8 × 10⁻⁶ / −6.8 × 10⁻⁶) days
- Semi-major axis
- 0.0513 (+8.6 × 10⁻⁴ / −9.6 × 10⁻⁴) AU
- Equilibrium temperature
- 1,244 (+30 / −25) K
- Mass provenance
- Mass
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