Exoplanet
HN Peg b
59.09 light-years
- Discovery
- Imaging · 2006
- Radius
- 11.7768 (+1.5266 / −0.6543) Earth radii
- Mass
- 6,991.57 (+2,996.39 / −2,996.39) Earth masses
- Orbital period
- Unknown
- Semi-major axis
- 773 (+13 / −13) AU
- Equilibrium temperature
- 10.77 (+0.18 / −0.18) 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