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HD 22781 b
Orbiting HD 22781, discovered in 2011 (7516) by Haute-Provence Observatory via the Radial Velocity method.
Planet
| Radius | Unknown |
| Mass | 4338.20 M⊕ |
| Orbital period | 528.07 Earth days (~1.4 Earth years) |
| Orbital eccentricity | 0.819 |
| Equilibrium temperature | Unknown |
Host star — HD 22781
| Temperature | 5027 K (4754 °C) |
| Radius | Unknown |
| Mass | 0.75 M☉ |
Location
| Distance from Earth | 32.6 pc (~106 light-years) |
| Right ascension / Declination | 55.2066 / 31.8259 |
Last refreshed 2026-09-14 from NASA's Exoplanet Archive.