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Shijian-18 was a Chinese communications and technology demonstration satellite developed and launched by the China Academy of Space Technology on 2 July 2017. It was the maiden flight of the DHF-5 satellite bus, which is designed with 16-year lifespan. Shijian-18 carried 18 experiments on board involving communications and space telescopes.
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.
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
Chinese satellites have shown the ability to evade and monitor a US surveillance satellite, prompting experts to call for new norms as the space powers increasingly play cat-and-mouse games in ...
[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 ...
The Long March 4B (Chinese: 长征四号乙火箭), also known as the Chang Zheng 4B, CZ-4B, and LM-4B, is a Chinese expendable orbital launch vehicle.Launched from Launch Complex 1 at the Taiyuan Satellite Launch Center, it is a 3-stage launch vehicle, used mostly to place satellites into low Earth orbit and Sun-synchronous orbits.
Here’s a quick breakdown of where things currently stand heading into the final weekend of the regular season: ACC. Miami scored the final 25 points against Wake Forest to win going away for the ...
The United States has executed 23 men this year, with six of those executions coming during one remarkable 11-day period. At least two more executions are scheduled before the end of the year.