Exoplanet
WASP-81 b
1,299.75 light-years
- Discovery
- Transit · 2017
- Radius
- 16.0177 (+0.5717 / −0.5156) Earth radii
- Mass
- 231.6981 (+11.4419 / −11.1241) Earth masses
- Orbital period
- 2.7165 (+2.3 × 10⁻⁶ / −2.3 × 10⁻⁶) days
- Semi-major axis
- 0.0391 (+7 × 10⁻⁴ / −7.2 × 10⁻⁴) AU
- Equilibrium temperature
- 1,623 (+38 / −37) 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