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