Haiyang-1 (HY-1 or Ocean-1)

References

Ocean Science and Engineering Newsletter # 6 Hassan B. Ali (October 1997) Report on the First China-US Marine Remote Sensing Conference (CUMRSC '97), and associated site visits to remote sensing facilities in Beijing, China.
Ocean Remote Sensing in China: A Status Report, circa Mid-1997 John R. Apel - February 1998 - The report clearly cannot cover all aspects of the Chinese program, but it is believed to come close to establishing the centroids and the breadths of activities at the institutions surveyed—at least those which Chinese technologists were willing to discuss.

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Chinese Academy of Space Technology (CAST) is devloping a small satellite bus for science and earth observation missions. The first two satellites based on this bus are Shijian-5 (SY-5) and Haiyang-1 (HY-1 or Ocean-1). Both satellites weigh 340kg and have two solar panels. With 11 science payloads onboard, SJ-5 will test 3 different kinds of attitude control methods: 3-axis, spin and gravity-gradient.

Using the space remote-sensing technology to monitor China's 3 million square kilometers of sea area is very important and necessary for safeguarding the ocean rights and interests of China, protect the ocean environment, develop the ocean resource, and reduce ocean disasters.

The Ocean-1 satellite and its successor satellite equipped with the 10-band ocean color scanner and 4-band CCD camera will be used to observe the ocean color and ocean temperature. The satellite would allow exploration and study of marine organisms, landforms under shallow water, water temperatures and ocean pollutants by distinguishing colors of the sea. The satellite would cover huge areas of the sea, providing real-time data that would benefit the fishing industry and study of ocean resources.

In July 1997 an official of the State Oceanography Bureau said that China planned to launch its first ocean exploration satellite in the second half of 1999. Ultimately, Haiyang-1 was launched on 15 May 2002.

The Ocean-2 satellite still under planning is to monitor the dynamic environment of the ocean, including the wind fields over the ocean surface, the height of the ocean surface, ocean wave, ocean flow, and ocean temperature.