Exoplanet
WASP-197 b
1,577.54 light-years
- Discovery
- Transit · 2025
- Radius
- 14.4484 (+0.5492 / −0.5492) Earth radii
- Mass
- 403.3242 (+80.7284 / −80.7284) Earth masses
- Orbital period
- 5.1672 (+3 × 10⁻⁶ / −3 × 10⁻⁶) days
- Semi-major axis
- 0.065 (+2 × 10⁻³ / −2 × 10⁻³) AU
- Equilibrium temperature
- 1,665 (+67 / −67) 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