Exoplanet
HD 8673 b
123.49 light-years
- Discovery
- Radial Velocity · 2009
- Radius
- 12.3 Earth radii
- Mass
- 4,210.5907 (+536.4944 / −450.045) Earth masses
- Orbital period
- 1,644.691 (+10.9862 / −15.6962) days
- Semi-major axis
- 2.97 (+0.147 / −0.171) AU
- Equilibrium temperature
- 219.11 (+9.11 / −9.11) 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