Exoplanet
HD 82943 b
89.99 light-years
- Discovery
- Radial Velocity · 2003
- Radius
- 13.5 Earth radii
- Mass
- 534.25 (+8.899 / −8.899) Earth masses
- Orbital period
- 441.47 (+0.35 / −0.35) days
- Semi-major axis
- 1.1831 (+6.2 × 10⁻⁴ / −6.2 × 10⁻⁴) AU
- Equilibrium temperature
- 286.13 (+9.64 / −9.64) 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