HD 221287 b
| Discovery | |
|---|---|
| Discovered by | Naef et al.[1] |
| Discovery site |  Chile |
| Discovery date | March 5, 2007 |
| HARPS | |
| Orbital characteristics | |
| Apastron | 1.35 AU (202,000,000 km) |
| Periastron | 1.15 AU (172,000,000 km) |
| 1.25 ± 0.04 AU (187,000,000 ± 6,000,000 km) | |
| Eccentricity | 0.08 ± 0.11 |
| 456.1 ± 6.5 d 1.2487 y | |
| 2,453,263 ± 100 | |
| 98 ± 72 | |
| Semi-amplitude | 71 ± 13 |
| Star | HD 221287 |
| Physical characteristics | |
| Mass | >3.12 ± 0.78 MJ (992 MEarth) |
HD 221287 b, also known as Pipitea, is an exoplanet that orbits HD 221287, approximately 173 light years away in the constellation of Tucana. This planet has mass >3.12 MJ (>992 M