Exoplanet
TOI-663 b
209.49 light-years
- Discovery
- Transit · 2024
- Radius
- 2.27 (+0.1 / −0.09) Earth radii
- Mass
- 4.45 (+0.63 / −0.66) Earth masses
- Orbital period
- 2.5989 (+3.2 × 10⁻⁶ / −3 × 10⁻⁶) days
- Semi-major axis
- 0.0295 (+1.1 × 10⁻³ / −1.1 × 10⁻³) AU
- Equilibrium temperature
- 674 (+30 / −30) 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