The China ZY3-03 Mission: Surveying and Mapping Technology for High-Resolution Remote Sensing Satellites

The ZiYuan3 (ZY3) is a civilian stereo surveying and mapping satellite from China operating under the framework of the Earth resources satellite series, and its objective is to fulfill 1:50,000 mapping and update largerscale fundamental geographic information products. This article introduces the ZY3-03 satellite's mission and payload specifications as well as its data utilization and distribution policy. In the future, the ZY3-03 will realize the demands of China's national economic and social development and play an important role in the fields of Earth observation and environmental protection.