Parameter,Estimate $P$ $[yr]$,$4.304_{4.301}^{4.306}$ $T$ $[yr]$,$1919.910_{1919.870}^{1919.952}$ $e$,$0.788_{0.783}^{0.793}$ $a$ $[″]$,$0.029_{0.026}^{0.031}$ $\omega$ $[°]$,$139.491_{138.758}^{140.652}$ $\Omega$ $[°]$,$179.270_{168.968}^{188.189}$ $i$ $[°]$,$107.302_{97.853}^{122.827}$ $V_{0}$ $[km/s]$,$-17.272_{-17.372}^{-17.085}$ $\pi$ $[mas]$,$5.380_{5.176}^{5.581}$ $f/\pi$ $[pc]$,$71.053_{66.395}^{89.369}$ $m_1$ $[M_\odot]$,$5.389_{2.890}^{6.252}$ $q$,$0.619_{0.539}^{0.913}$