HD 5319 b explained

HD 5319 b
Discoverer:Robinson et al.
Discovery Site:California & Carnegie
Planet Search
Discovered:January 11, 2007
Apsis:astron
Semimajor: AU
Period: d

HD 5319 b is a gas giant exoplanet discovered in 2007 in the constellation of Cetus. This planet has a minimum mass nearly two times that of Jupiter. The planet has an almost circular orbit, with an eccentricity of only 0.02 and a period of 641 days. An additional planet in the system was discovered in 2015 and may be in a 4:3 mean motion resonance with planet b.