Exoplanet
HD 66428 c
173.78 light-years
- Discovery
- Radial Velocity · 2021
- Radius
- 13.5 Earth radii
- Mass
- 560.6493 (+1,081.8879 / −13.031) Earth masses
- Orbital period
- 1.0479 × 10⁴ (+3,362.5025 / −1,953.1873) days
- Semi-major axis
- 9.408 (+1.945 / −1.267) AU
- Equilibrium temperature
- 95.52 (+8.2 / −8.2) 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