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.
Coordinates: 17h 38m 59.526s, −43° 08′ 43.85″
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