Parameter,Estimate $P$ $[yr]$,$189.419_{188.762}^{190.168}$ $T$ $[yr]$,$1948.799_{1948.553}^{1949.043}$ $e$,$0.549_{0.547}^{0.553}$ $a$ $[″]$,$1.930_{1.918}^{1.937}$ $\omega$ $[°]$,$145.176_{144.537}^{145.864}$ $\Omega$ $[°]$,$56.167_{55.709}^{56.606}$ $i$ $[°]$,$127.105_{126.791}^{127.501}$ $V_{0}$ $[km/s]$,$-11.142_{-11.198}^{-11.111}$ $\pi$ $[mas]$,$41.726_{40.920}^{42.987}$ $f/\pi$ $[pc]$,$10.263_{9.798}^{11.216}$ $m_1$ $[M_\odot]$,$1.576_{1.355}^{1.689}$ $q$,$0.749_{0.681}^{0.883}$