Exoplanet
HD 80869 b
278.52 light-years
- Discovery
- Radial Velocity · 2021
- Radius
- 12.8 Earth radii
- Mass
- 1,609.8009 (+809.8268 / −179.573) Earth masses
- Orbital period
- 1,752.9207 (+37.0165 / −33.6028) days
- Semi-major axis
- 2.905 (+0.127 / −0.131) AU
- Equilibrium temperature
- 203.2 (+6.8 / −5.5) 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