HD 159868 b is an extrasolar planet that orbits HD 159868. It is a jovian planet.[2] The orbit is nearly circular at the average distance of 2.25 AU.[1]
Discovery | |
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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)[1] |
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 |