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HD 221287 b
Orbiting HD 221287, discovered in 2007 (7512) by La Silla Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 982.05 M⊕ |
| Orbital period | 456.10 Earth days (~1.2 Earth years) |
| Orbital eccentricity | 0.080 |
| Equilibrium temperature | Unknown |
Host star — HD 221287
| Temperature | 6304 K (6031 °C) |
| Radius | Unknown |
| Mass | 1.25 M☉ |
Location
| Distance from Earth | 55.9 pc (~182 light-years) |
| Right ascension / Declination | 352.8362 / -58.2098 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.