Exoplanet
HAT-P-39 b
2,273.32 light-years
- Discovery
- Transit · 2012
- Radius
- 17.609 (+1.211 / −0.908) Earth radii
- Mass
- 190.372 (+31.464 / −31.464) Earth masses
- Orbital period
- 3.5439 (+5 × 10⁻⁶ / −5 × 10⁻⁶) days
- Semi-major axis
- 0.0509 (+6 × 10⁻⁴ / −6 × 10⁻⁴) AU
- Equilibrium temperature
- 1,752 (+43 / −43) 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