Chinas Xian Satellite Control Center

XI’AN, (Xinhua) — Over the 50 years since its founding, the Xi’an Satellite Control Center has successfully resolved major faults in over 10 satellites, saving the country billions yuan in possible losses, the center said Wednesday. Founded in 1967, the center is tasked with routine telemetry, orbit control and breakdown diagnosis and maintenance of satellites. In one case, the center successfully sent the communications satellite Zhongxing-9A into correct orbit, after it had failed to enter its preset orbit after launch. The satellite was launched on June 19, 2017. Abnormal performance during the launch stage had caused the satellite to orbit about 16,420 km above the Earth’s surface while its preset orbit was at 41,991 km above the Earth, according to Yang Yong’an, senior engineer at the center. Over the following 16 days, staff members at the center carried out consultations with the satellite’s designer and manufacturer and formulated a solution. After 10 orbit adjustments, the satellite finally ente