Parameter,Estimate $P$ $[yr]$,$4.303_{4.301}^{4.307}$ $T$ $[yr]$,$1919.922_{1919.869}^{1919.952}$ $e$,$0.789_{0.784}^{0.794}$ $a$ $[″]$,$0.025_{0.024}^{0.026}$ $\omega$ $[°]$,$140.029_{138.951}^{140.815}$ $\Omega$ $[°]$,$173.956_{168.656}^{179.938}$ $i$ $[°]$,$116.725_{110.479}^{121.808}$ $V_{0}$ $[km/s]$,$-17.195_{-17.368}^{-17.083}$ $\pi$ $[mas]$,$5.464_{5.307}^{5.684}$ $f/\pi$ $[pc]$,$89.468_{84.767}^{93.464}$ $m_1$ $[M_\odot]$,$2.611_{2.270}^{2.908}$ $q$,$0.956_{0.902}^{1.000}$