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HD 109286 b
Orbiting HD 109286, discovered in 2021 (7526) by Haute-Provence Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 950.31 M⊕ |
| Orbital period | 520.10 Earth days (~1.4 Earth years) |
| Orbital eccentricity | 0.338 |
| Equilibrium temperature | 259 K (-14 °C) |
Host star — HD 109286
| Temperature | 5694 K (5421 °C) |
| Radius | 1.09 R☉ |
| Mass | 0.98 M☉ |
Location
| Distance from Earth | 55.4 pc (~181 light-years) |
| Right ascension / Declination | 188.3958 / 7.2809 |
Last refreshed 2026-09-13 from NASA's Exoplanet Archive.