| Discovery | |
|---|---|
| Discovered by | O'Toole et al. |
| Discovery date | February 9, 2007 |
| Detection method | radial velocity |
| Orbital characteristics | |
| Semi-major axis | 2.25 ± 0.03 AU (336.6 ± 4.5 Gm) |
| Eccentricity | 0.01±0.03 |
| Orbital period (sidereal) | 1178.4±8.8 d |
| Time of periastron | 2,453,435±56 JD |
| Argument of periastron | 350°±171° |
| Semi-amplitude | 38.3±1.1 km/s |
| Physical characteristics | |
| Mass | ≥2.10±0.11 MJ |
HD 159868 b is an extrasolar planet that orbits HD 159868. It is a jovian planet. The orbit is nearly circular at the average distance of 2.25 AU.
See also
References
- ^ Wittenmyer, Robert A.; et al. (2012). "The Anglo-Australian Planet Search. XXII. Two New Multi-planet Systems". The Astrophysical Journal. 753 (2): 169. arXiv:1205.2765. Bibcode:2012ApJ...753..169W. doi:10.1088/0004-637X/753/2/169. S2CID 2941264.
- O'Toole, Simon J.; et al. (2007). "New Planets around Three G Dwarfs". The Astrophysical Journal. 660 (2): 1636–1641. arXiv:astro-ph/0702213. Bibcode:2007ApJ...660.1636O. doi:10.1086/513563. S2CID 118958847.
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