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New ocean observation satellite of China

  • Category
    Science & Technology
  • Published
    1st Jun, 2021

The Haiyang-2D (HY-2D) satellite, a new ocean observation satellite of China was launched from the Jiuquan Satellite Launch Centre in northwest China.

Context

The Haiyang-2D (HY-2D) satellite, a new ocean observation satellite of China was launched from the Jiuquan Satellite Launch Centre in northwest China.

About the Haiyang-2D (HY-2D) satellite

  • The HY-2D is developed by the China Academy of Space Technology, and the carrier rocket by the Shanghai Academy of Spaceflight Technology.
  • Function: China successfully sent the ocean-monitoring satellite into orbit as part of its effort to build an all-weather and round-the-clock dynamic ocean environment monitoring system which would provide early warning on marine disasters.
  • The satellite was launched by a Long March-4B rocket.
  • It is put in low earth orbit.
  • The HY-2D will form a constellation with the HY-2B and HY-2C satellites to build an all-weather and round-the-clock dynamic ocean environment monitoring system of high frequency and medium and large scale.
  • The constellation will support the country’s early warning and prediction of marine disasters, sustainable development and utilisation of ocean resources, effective response to global climate change as well as ocean research.

Long March-4B rocket

  • The Long March 4B also known as the Chang Zheng 4B, CZ-4B and LM-4B is a Chinese expendable orbital Launch vehicle.
  • It is a 3-stage rocket, used mostly to place satellites into low Earth orbit and sun-synchronous orbits.
  • It was first launched on 10 May 1999, with the FY-1C weather satellite, which would later be used in the 2007 Chinese anti-satellite missile test.

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