Performance evaluation of multi-GNSSs navigation in super synchronous transfer orbit and geostationary earth orbit

Abstract The autonomous navigation of the spacecrafts in High Elliptic Orbit (HEO), Geostationary Earth (GEO) and Transfer (GTO) based on Global Navigation Satellite System (GNSS) are considered feasible many studies. With completion BeiDou with Coverage (BDS-3) 2020, there at least 130 satellites providing Position, Navigation, Timing (PNT) services. In this paper, considering latest CZ-5(Y3) launch scenario Shijian-20 GEO spacecraft via Super-Synchronous (SSTO) December 2019, performance (BDS), Positioning (GPS), Galileo (Galileo) GLObal NAvigation (GLONASS) 2020 is evaluated, including number visible satellites, carrier to noise ratio, Doppler, Position Dilution Precision (PDOP). simulation results show that GEO/Inclined Geo-Synchronous (IGSO) BDS-3 can effectively increase improve PDOP whole process a typical spacecraft, SSTO GEO, especially for opposite side Asia-Pacific region. high orbit multi-GNSSs be significantly improved by employment BDS-3. This provides solution various spacecrafts, such as SSTO, MEO, even Lunar (LTO) lunar exploration mission.