Exoplanet
TOI-4458 b
1,648.5 light-years
- Discovery
- Transit · 2026
- Radius
- 12.4083 (+0.2578 / −0.2578) Earth radii
- Mass
- 552.0679 (+30.1937 / −30.1937) Earth masses
- Orbital period
- 3.9394 (+1.8 × 10⁻⁶ / −1.8 × 10⁻⁶) days
- Semi-major axis
- 0.0522 (+1.6 × 10⁻³ / −1.5 × 10⁻³) AU
- Equilibrium temperature
- 1,759 (+30 / −31) 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