Exoplanet
HAT-P-17 c
301.31 light-years
- Discovery
- Radial Velocity · 2012
- Radius
- 13.1 Earth radii
- Mass
- 1,080.6 (+349.6 / −222.5) Earth masses
- Orbital period
- 5,584 (+7,700 / −2,100) days
- Semi-major axis
- 5.6 (+3.5 / −1.4) AU
- Equilibrium temperature
- 99.59 (+22 / −22) 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