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HD 28678 b
Orbiting HD 28678, discovered in 2011 (7516) by W. M. Keck Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 490.09 M⊕ |
| Orbital period | 380.20 Earth days (~1.0 Earth years) |
| Orbital eccentricity | 0.149 |
| Equilibrium temperature | Unknown |
Host star — HD 28678
| Temperature | 4972 K (4699 °C) |
| Radius | 6.48 R☉ |
| Mass | 1.53 M☉ |
Location
| Distance from Earth | 189.9 pc (~619 light-years) |
| Right ascension / Declination | 67.8561 / 4.5752 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.