pair, component A, orbit each other with a period of 7.6497 days and an eccentricity of 0.35. The primary is a B-type star with a stellar classification of
{\displaystyle L_{0}} 為角動量 (angular momentum) h → = L 0 → m {\displaystyle {\vec {h}}={\frac {\vec {L_{0}}}{m}}} 為相對角動量或比角動量 (specific angular momentum) μ = G M
Rebekah I.; Murray-Clay, Ruth. Neptune's Wild Days: Constraints from the Eccentricity Distribution of the Classical Kuiper Belt. The Astrophysical Journal