Exoplanet
WASP-189 b
325.28 light-years
- Discovery
- Transit · 2020
- Radius
- 18.1473 (+0.2354 / −0.2354) Earth radii
- Mass
- 632.4785 (+50.8525 / −44.496) Earth masses
- Orbital period
- 2.724 days
- Semi-major axis
- 0.0505 (+9.8 × 10⁻⁴ / −9.8 × 10⁻⁴) AU
- Equilibrium temperature
- 3,353 (+27 / −34) 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