HD 212771 b
| Discovery | |
|---|---|
| Discovered by | Johnson et al. | 
| Discovery site | Keck Observatory | 
| Discovery date | 2010-03-17 | 
| Doppler spectroscopy | |
| Orbital characteristics | |
| 1.19±0.13 AU | |
| Eccentricity | 0.076±0.051 | 
| 380.7±1.4 d | |
| 2454920±52 JD | |
| 29±65 º | |
| Semi-amplitude | 50.0±5.8 m/s | 
| Star | HD 212771 | 
| Physical characteristics | |
| Mass | ≥2.39±0.27 MJ | 
HD 212771 b is an extrasolar planet orbiting the G-type star HD 212771 approximately 364 light years away in the constellation Aquarius.