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HD 66428 c
Orbiting HD 66428, discovered in 2021 (7526) by Multiple Observatories via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 560.65 M⊕ |
| Orbital period | 10478.84 Earth days (~28.7 Earth years) |
| Orbital eccentricity | 0.207 |
| Equilibrium temperature | Unknown |
Host star — HD 66428
| Temperature | Unknown |
| Radius | Unknown |
| Mass | 1.01 M☉ |
Location
| Distance from Earth | 53.3 pc (~174 light-years) |
| Right ascension / Declination | 120.8692 / -1.1636 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.