Advancing Deep Space Mission Orbit Determination: A Novel Approach for Doppler Data Collection and Processing

This paper underscores the criticality of precise orbit determination for successful spacecraft missions, especially in deep space endeavors. By examining Doppler data from both open-loop receivers and TTCPs in the Chandrayaan-2 mission, it highlights the superior capabilities of the former in capturing finer residual Doppler. The findings stress the significance of advanced measurement techniques, essential for enhancing orbit knowledge and enabling crucial studies in deep space, such as radio occultation and solar corona investigations. Ultimately, this research contributes significantly to advancing the precision and reliability of spacecraft operations in the challenging realm of deep space exploration, underscoring its pivotal importance.