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China Launches Land Surveyor Satellites, Bolstering Earth Observation Network

by Simon Mansfield Sydney, Australia (SPX) Jan 01, 2024 SPX
China has made a significant advancement in its space capabilities with the formal commencement of operations of the Land Surveyor 1-01A and 1-01B satellites. The China National Space Administration (CNSA) confirmed the operational status of these Earth observation radar satellites, marking a pivotal moment in China's space exploration and Earth monitoring efforts.

The operational control of these satellites has been transferred to the Ministry of Natural Resources, highlighting their primary role in enhancing China's capabilities in land resources management, disaster prevention and relief, mapping, and forestry. This transfer follows the successful completion of all in-orbit technical tests, as noted by CNSA.

Launched in early 2022, the Land Surveyor 1-01A and 1-01B were both sent into space aboard Long March 4C carrier rockets from the Jiuquan Satellite Launch Center. Developed by the Shanghai Academy of Spaceflight Technology, part of the China Aerospace Science and Technology Corporation, these satellites are currently orbiting about 600 kilometers above Earth in a quasi-sun-synchronous orbit. This orbit type is particularly advantageous for consistent Earth observation, providing stable conditions for capturing high-quality images.

Equipped with advanced L-band synthetic aperture radars, these satellites are designed for round-the-clock, all-weather observation. This capability is critical for providing continuous and reliable data to various governmental departments, significantly enhancing China's ability to respond swiftly and effectively to major natural disasters.

These developments in China's satellite technology not only mark a leap in the nation's space exploration efforts but also represent a strategic move towards reducing reliance on foreign satellite data. The Ministry of Natural Resources highlighted the substantial annual expenditure of nearly 10 million yuan (around $1.6 million) on data obtained from foreign synthetic aperture radar satellites. This reliance has been a limitation, particularly in meeting the country's needs for landform survey and disaster forecast and monitoring operations.

The induction of the Land Surveyor 1-01A and 1-01B satellites into active service is expected to significantly reduce China's dependence on foreign satellite products, enhancing the nation's self-sufficiency in space technology. This development not only promises more efficient and accurate land and resource management but also underscores China's growing capabilities and independence in the realm of space technology and Earth observation.

Based on a Xinhua News Agency article

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