Exoplanet
TOI-663 d
209.49 light-years
- Discovery
- Transit · 2024
- Radius
- 1.92 (+0.13 / −0.13) Earth radii
- Mass
- < 5.2 Earth masses
- Orbital period
- 7.1027 (+2.97 × 10⁻⁵ / −2.79 × 10⁻⁵) days
- Semi-major axis
- 0.0576 (+2.1 × 10⁻³ / −2.2 × 10⁻³) AU
- Equilibrium temperature
- 482 (+21 / −21) 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