Exoplanet
WASP-39 b
697.92 light-years
- Discovery
- Transit · 2011
- Radius
- 14.3363 (+0.4484 / −0.4484) Earth radii
- Mass
- 89.3102 (+10.1706 / −10.1706) Earth masses
- Orbital period
- 4.0553 (+3.4 × 10⁻⁶ / −3.4 × 10⁻⁶) days
- Semi-major axis
- 0.0483 (+8.2 × 10⁻⁴ / −8.2 × 10⁻⁴) AU
- Equilibrium temperature
- 1,166 (+14 / −14) 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