Since September 6, 2022, the S3 and S4 test satellites of the CentiSpace-1 Constellation have been successfully launched in orbit, and TYspace NST4S-A2 and PST3S-H1 star trackers worked combination for the satellite to provide stable and accurate attitude determination. Following the successful launch of the S2 satellite of the CentiSpace-1 Constellation on July 1, 2020, TYspace star trackers once again escorted the CentiSpace-1 Constellation.
Developed by the Institute of Microsatellite Innovation of Chinese Academy of Sciences, the CentiSpace-1 Constellation S3 uses TYspace NST4S-A2 and PST3S-H1 star sensors to carry out on-orbit navigation, signal information enhancement, inter-satellite relay low-speed special communication of 2 full-state functional tests of the closed-loop operation capability of the entire system, and to realize optimized designs such as long-term autonomous operation on orbit, autonomous management of complex tasks, and satellite monitoring based on fault triggers.
Developed by Harbin Gongda Satellite Technology Co., Ltd., the CentiSpace-1 Constellation S4 uses TY-SPACE PST3S-H1 star sensors to carry out satellite-ground integrated network control management, space-borne micro-thrust high-precision electric propulsion, and high-precision A series of on-orbit technical tests and system demonstrations, such as navigation enhancement signal broadcasting, and to set the foundation for the construction of a LEO satellite navigation enhancement system network.
Constructed and operated by Shandong Future Navigation Technology Co., Ltd., the S3 and S4 satellites’ tests belong to the same CentiSpace-1 Constellation of LEO navigation enhancement system. This over 100 LEO satellites is consisting a space-ground integrated constellation system, which estimated to complete the over 100 satellites web @ 2025. It can provide global users the high-precision, low-cost, and reliable commercial positioning services, and realize decimeter (centimeter)-level real-time dynamic navigation and positioning without the support of global ground stations.
At present, the S5 and S6 satellites of the CentiSpace-1 Constellation have entered the testing process of EXWORK and all in good condition. The S5 and S6 satellites will operate in a network with the S3 and S4 satellites launched this time, and then these 4 satellites will be combined to complete all on-orbit tests and demonstration tasks.