Parameter,Estimate $P$ $[yr]$,$16.359_{16.286}^{16.396}$ $T$ $[yr]$,$1989.136_{1989.099}^{1989.179}$ $e$,$0.541_{0.525}^{0.549}$ $a$ $[″]$,$0.223_{0.220}^{0.226}$ $\omega$ $[°]$,$87.691_{87.057}^{88.212}$ $\Omega$ $[°]$,$142.018_{141.109}^{142.594}$ $i$ $[°]$,$74.431_{73.935}^{75.068}$ $V_{0}$ $[km/s]$,$-3.298_{-3.414}^{-3.221}$ $\pi$ $[mas]$,$28.528_{27.713}^{29.100}$ $f/\pi$ $[pc]$,$12.903_{12.463}^{13.308}$ $m_1$ $[M_\odot]$,$1.132_{1.068}^{1.226}$ $q$,$0.583_{0.549}^{0.605}$