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

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. HY-1 will be equiped with a 10-band IR ocean color scanner and a 4-band CCD camera.

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