Exoplanet
HAT-P-13 c
804.99 light-years
- Discovery
- Radial Velocity · 2009
- Radius
- 12.3 Earth radii
- Mass
- 4,538.421 (+88.989 / −88.989) Earth masses
- Orbital period
- 446.27 (+0.22 / −0.22) days
- Semi-major axis
- 1.258 (+0.02 / −0.02) AU
- Equilibrium temperature
- 340 (+9 / −9) K
- Mass provenance
- Msini
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