In this study, the orbital elements of the close visual binary stars system (CVBSs) HIP 43630(HD 75553) are refined; we improved the orbit of this system using new observational data. Positional parameters were derived from speckle interferometry data from previous studies and newly collected data. The calculations were based on an assessment of  Gaia Early Data Release 3 and Hipparcos trigonometric parallax measurements, of Visual binary Stars and the Sixth Catalogue of Orbits of Visual Binary Stars  Integrating current versions and data of the fourth Catalogue of interferometry measurements, as well as updated information from the Gaia archive and SIMBAD. Tokovinin's dynamical modeling technique for deriving optimal orbits of interferometric binary systems determined the system's orbital elements. Finally, we determined the combined dynamic mass of the system.