Huanjing (satellite) explained

China plans to launch eleven Huanjing satellites for disaster and environmental monitoring ("huanjing" is Chinese for "environment"). The satellites will be capable of visible, infrared, multi-spectral and synthetic-aperture radar imaging.[1]

The first two satellites, Huanjing-1A and Huanjing-1B, were launched on 6 September 2008 on a Long March 2C rocket from the Taiyuan Satellite Launch Center.[2] In a report dated 3 September 2008, the Associated Press of Pakistan indicated the launch would be conducted 5 September 2008 using a Long March 2C launch vehicle.[3] On 5 September 2008, Aviation Week reported the first launch would be of optical imaging satellites.[4]

Huanjing-1C was launched on 16 November 2012 on a Long March 2C rocket from the Taiyuan Satellite Launch Center. It is the first civilian Chinese remote sensing satellite to use a synthetic-aperture radar as imaging instrument. This S-band synthetic-aperture radar (SAR) was manufactured in Russia by NPO Mashinostroyeniya.[5]

The two satellites, Huanjing-2A and Huanjing-2B, were launched on 27 September 2020 at 03:23 UTC on a Long March 4B launch vehicle from the Taiyuan Satellite Launch Center. The satellites "provide services concerning environmental protection, natural resources, water conservancy, agriculture and forestry", Xinhua said.[6]

Launches

Date (UTC)COSPAR IDSCNLaunch vehicleLaunch sitePayloadOutcomeComments
6 September 2008, 03:25
33320
33321		Long March 2CTaiyuan Satellite Launch CenterHuanjing 1A and 1BSuccess[7]
19 November 2012, 22:5338997Long March 2CTaiyuan Satellite Launch CenterHuanjing 1CSuccess[8] Decayed[9]
27 September 2020, 03:23
46478
46479		Long March 4BTaiyuan Satellite Launch CenterHuanjing 2A and 2BSuccess[10]
12 October 2022, 22:5354035Long March 2CTaiyuan Satellite Launch CenterHuanjing 2ESuccess[11]
8 August 2023, 22:5357519Long March 2CTaiyuan Satellite Launch CenterHuanjing 2FSuccess[12]

Notes and References

  1. Web site: Military Power of the People's Republic of China. 37. U.S. Department of Defense. 2000. dead. https://web.archive.org/web/20081014082411/http://hongkong.usconsulate.gov/uploads/images/pAw-Xhv1qHB7cBNrkQbc3A/uscn_others_2008030301.pdf. 14 October 2008.
  2. Web site: First natural disaster monitoring satellites launched by China. 6 September 2008 . NASASpaceFlight.com.
  3. Web site: China to launch natural disaster monitoring satellites. 2008-09-03. dead . https://web.archive.org/web/20110928183455/http://www.app.com.pk/en_/index.php?option=com_content&task=view&id=51449&Itemid=2. 2011-09-28.
  4. Web site: U.S. and China Resume Space Cooperation Talks. Covault, Craig. Aviation Week. 5 September 2008.
  5. Web site: Lanzamiento Larga Marcha CZ-2C (Huanjing-1C). Marín, Daniel. Eureka Blog. 20 November 2012. spanish.
  6. Web site: China launches environmental monitoring satellites. Spaceflight Now. 28 September 2020 . 29 September 2020.
  7. Web site: China launches two natural disaster monitoring satellites. https://web.archive.org/web/20080906203913/http://news.xinhuanet.com/english/2008-09/06/content_9806611.htm. dead. 6 September 2008. 2008-09-06. Xinhua.
  8. Web site: 中国19日成功发射"环境一号"C卫星. 2012-11-19. 凤凰网.
  9. Web site: HJ-1C . N2YO.com . 1 March 2023 . 4 March 2023.
  10. Web site: HJ 2A, 2B. Gunter's Space Page.
  11. Web site: Howell . Elizabeth . China launches environmental satellite in 3rd flight in 6 days . . 13 October 2022 . 13 October 2022.
  12. News: 长二丙火箭成功发射环境减灾二号06星-新华网 . 7 September 2023 . 新华社.

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