Parameter,Estimate $P$ $[yr]$,$21.280_{21.251}^{21.316}$ $T$ $[yr]$,$1997.347_{1997.276}^{1997.429}$ $e$,$0.558_{0.552}^{0.565}$ $a$ $[″]$,$1.029_{1.023}^{1.035}$ $\omega$ $[°]$,$151.683_{150.304}^{153.196}$ $\Omega$ $[°]$,$45.599_{45.201}^{46.031}$ $i$ $[°]$,$107.745_{107.474}^{107.948}$ $V_{0}$ $[km/s]$,$-97.397_{-97.520}^{-97.286}$ $\pi$ $[mas]$,$124.211_{121.247}^{127.363}$ $f/\pi$ $[pc]$,$1.360_{1.239}^{1.444}$ $m_1$ $[M_\odot]$,$1.043_{0.966}^{1.123}$ $q$,$0.203_{0.182}^{0.218}$