Parameter,Estimate $P$ $[yr]$,$16.349_{16.286}^{16.394}$ $T$ $[yr]$,$1989.145_{1989.101}^{1989.179}$ $e$,$0.543_{0.530}^{0.553}$ $a$ $[″]$,$0.225_{0.222}^{0.227}$ $\omega$ $[°]$,$87.745_{86.962}^{88.123}$ $\Omega$ $[°]$,$141.788_{141.155}^{142.623}$ $i$ $[°]$,$74.775_{74.129}^{75.183}$ $V_{0}$ $[km/s]$,$-3.310_{-3.409}^{-3.223}$ $\pi$ $[mas]$,$29.076_{28.828}^{29.382}$ $f/\pi$ $[pc]$,$12.672_{12.331}^{13.094}$ $m_1$ $[M_\odot]$,$1.093_{1.033}^{1.139}$ $q$,$0.583_{0.559}^{0.614}$