HaiYang (Chinese: 海洋; "ocean"), abbreviated HY, is a series of marine remote sensing satellites developed and operated by China since 2002. As of June 2020[update], six satellites were launched and two more are planned.
The HaiYang series is operated by NSOAS (National Satellite Ocean Application Service), a subordinate agency of the State Oceanic Administration.
|Launch date||Satellites||Vehicle||Orbit||In use||Sensors|
|15 May 2002||HaiYang-1A||Long March 4B||SSO||No||COCTS (Chinese Ocean Color and Temperature Scanner), CZI (Coastal Zone Imager)|
|11 April 2007||HaiYang-1B||Long March 2C||SSO||No||COCTS (Chinese Ocean Color and Temperature Scanner), CZI (Coastal Zone Imager)|
|16 August 2011||HaiYang-2A||Long March 4B||SSO||Yes||MWRI (Microwave Radiometer Imager), RA (Radar Altimeter), Ku-RFSCAT (Ku-Band Rotational Fan-beam Scatterometer)|
|6 September 2018||HaiYang-1C||Long March 2C||SSO||Yes||Detection of chlorophyll, sediment concentrations and dissolved organic matter. Surface temperature measurements.|
|25 October 2018||HaiYang-2B||Long March 4B||SSO||Yes||Monitor ocean color and water temperatures |
|10 June 2020, 18:31 UTC ||HaiYang-1D||Long March 2C||SSO||Yes||Monitor ocean color and water temperatures |