HD 159868 b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Orbital elements | ||
| Semi-major axis | (a) | 2 ± 0.3 AU |
| Eccentricity | (e) | 0.69 ± 0.02 |
| Orbital period | (P) | 986 ± 9 d |
| Argument of periastron |
(ω) | 97 ± 3° |
| Time of periastron | (T0) | 2,450,700 ± 9 JD |
| Semi-amplitude | (K) | 43.3 ± 2 m/s |
| Physical characteristics | ||
| Mass | (m) | ≥ 1.7 ± 0.3 MJ |
| Discovery information | ||
| Discovery date | February 9, 2007 | |
| Discoverer(s) | O'Toole et al. | |
| Discovery method | radial velocity | |
| Discovery status | Published | |
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 159868 b is an extrasolar planet that orbits HD 159868. It is a jovian planet. The orbit is extremely eccentric at the average distance of 2 AU. The orbital distance ranges from as close as 0.62 AU to as far as 3.38 AU.[1]
See also
References
- ↑ 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.
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