Exoplanet
TOI-1803 c
388.91 light-years
- Discovery
- Transit · 2025
- Radius
- 4.29 (+0.08 / −0.08) Earth radii
- Mass
- 8 (+1 / −2) Earth masses
- Orbital period
- 12.8858 (+3.6 × 10⁻⁵ / −3.6 × 10⁻⁵) days
- Semi-major axis
- 0.097 (+2 × 10⁻³ / −2 × 10⁻³) AU
- Equilibrium temperature
- 588 (+10 / −10) 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