Exoplanet
HD 9446 b
164.22 light-years
- Discovery
- Radial Velocity · 2009
- Radius
- 14 Earth radii
- Mass
- 222.472 (+19.069 / −19.069) Earth masses
- Orbital period
- 30.052 (+0.027 / −0.027) days
- Semi-major axis
- 0.189 (+6 × 10⁻³ / −6 × 10⁻³) AU
- Equilibrium temperature
- 642.55 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