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First mentioned by name in the 2022 China Military Power Report, the U.S. Office of the Secretary of Defense writes "China has launched multiple satellites to conduct scientific experiments on space maintenance technologies and is conducting research on space debris cleanup; the most recent launch was the Shijian-21 launched into GEO in October ...
Shijian-21 [ edit ] In December 2021 - January 2022, China's Shijian-21 space debris mitigation satellite has docked with the defunct Beidou-2 G2 navigation satellite to drastically alter its geostationary orbit, demonstrating capabilities only previously exhibited by the United States.
[2] [4] [5] [6] Later, Shiyan 7 shifted to rendezvous with Shijian 7 (of unknown mission) with whom it maintained proximity from 19 to 20 August 2013 until it maneuvered into a 5 km lower orbit. [ 4 ] [ 7 ] Drawing further suspicion, around 19 October 2013, Shiyan 7 maneuvered to a 1 km higher orbit and released a previously untracked object ...
BeiDou-2 - Sent to GEO graveyard Orbit by Shijian-21 space Debris mitigation satellite or orbital servicing vehicle in January 2022. [10] 3 Compass-G1 16 January 2010 16:12 Xichang, LC-2 Long March 3C: N/A GEO 140.0° E Retired: BeiDou-2 4 Compass-G3 2 June 2010 15:53 Xichang, LC-2 Long March 3C: N/A GEO 79.5° E Retired September 29, 2018
Safest Small Cars 2025 Mazda 3. The stylish Mazda 3 has a lot to offer compact-car shoppers, including great looks, a composed driving experience, and reasonable fuel economy from its base 2.0 ...
Tongxin Jishu Shiyan (TJS, Chinese: 通信技术试验; pinyin: Tōngxìn Jìshù Shìyàn; lit. 'communication technology test') is a Chinese military satellite program operating in geostationary orbit (GEO).
The remaining five Australians from the infamous “Bali Nine” drug gang are “relieved and happy” to be home after Canberra struck a deal with Jakarta to end their two decades of imprisonment.
Mark Zuckerberg's Meta urged California to halt OpenAI's transition to a for-profit company. In doing so, Zuckerberg sided with his occasional nemesis, Elon Musk, who also wants to stop OpenAI.