China space program

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At 7:33 am on September 25th, the Lijian-1 Yao-4 commercial carrier rocket was launched into space from the Jiuquan Satellite Launch Center in China, carrying five satellites including Zhongke Satellite 01 and 02, Jilin-1 SAR01A, and Yunyao Satellite 21 and 22 into their designated orbits. The flight test mission was a complete success.

 

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video：
”“”h t t ps://weibo.com/tv/show/1034:5082412049170478?from=old_pc_videoshow “”“

 

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Crewed lunar rover concept art

 

[MrManiac]

ChangGuang Satellite's "Jilin-1" constellation with 115 satellites captures high-resolution images from 500km up, revealing ground vehicle details like windshields and signs, revolutionizing remote sensing.

 

[MrManiac]

the first batch of images sent back by the Jilin-1 constellation Gaofen 05B satellite were sent to Atlanta and Albuquerque, USA.

 

[MrManiac]

 

[yusheng]

China News Service, Wenchang, Hainan, December 3rd (Reporter Wang Xiaobin) The 2024 Wenchang International Aerospace Forum was held in Wenchang, Hainan from December 1st to 3rd, with representatives from domestic and foreign aerospace institutions and organizations, as well as low-altitude economic enterprises and financial institutions participating in the event.

China Aerospace Commercial Satellite Company has established a production line in Tianjin with an annual capacity of over 100 satellites, producing approximately 30 satellites this year. The satellite super factory in Wenchang, Hainan, is expected to be operational in 2025, with an annual output of 1,000 satellites.

from：

中国航天互联网卫星设计理念首度公开披露-中新网

2024文昌国际航空航天论坛在海南文昌开幕-中新网

 

[yusheng]

Star Glory Hyperbolic III （星际荣耀双曲线三号） Medium to Large Reusable Liquid Oxygen Methane Launch Vehicle 4.2m Low Temperature Storage Tank：

 

[yusheng]

At 18:00 on December 16, 2024 (Beijing time), China successfully launched the satellite Internet LEO Group 01 at Wenchang Space Launch Site using the Long March 5B carrier rocket/Yuanzheng II upper stage.

Satellite Internet LEO 01 satellites use Ka and other frequency band loads, mainly providing users with broadband communication, Internet access and other services

The Long March 5B is the carrier rocket with the largest near Earth orbit carrying capacity in China, with a total length of 53.7 meters and a takeoff weight of 837.5 tons. The envelope diameter of the fairing reaches 4.5 meters and the volume exceeds 345 cubic meters, making it the largest fairing in China's active rocket fleet.

The LEO low Earth orbit capacity of Long 5B is over 20 tons, which is higher than SpaceX's Falcon 9. The weight of the upper stage of Expedition 2 is about 10 tons, and the capacity of satellite related payloads is about 12 tons. Calculated based on 10 satellites, a single satellite weighs about 1 ton, and its performance is much higher than satellites launched before StarLink 2.0. If the Chang-5 launch is continued on this orbital surface in the future, there will be 5 more launch missions.

China's two major LEO satellite Internet constellations "Qianfan Constellation" and "Star Network" have begun to launch and deploy satellites——
The Qianfan constellation has completed the deployment of 54 satellites through three launches of Long March 6A for the time being.

The first batch of near polar orbit 01 satellites from Xingwang were launched today by Long March 5B, and the exact number of the first batch has not been officially announced yet.

 

[yusheng]

9-hour extravehicular activity! Shenzhou-19 astronauts Cai Xuzhe and Song Lingdong successfully set a new record, the world's longest single extravehicular activity time! The last record was set by American astronauts James Voss and Susan Helms in 2001, with a time of 8 hours and 56 minutes


According to the latest news from the China Manned Space Engineering Office, at 21:57 Beijing time on December 17, 2024, after 9 hours of extravehicular activity, the crew members of Shenzhou-19 spacecraft, Cai Xuzhe, Song Lingdong, and Wang Haoze, worked closely together with the support of the space station's robotic arm and ground researchers to complete tasks such as installing space debris protection devices, inspecting and disposing of extravehicular equipment and facilities. Astronauts Cai Xuzhe and Song Lingdong have safely returned to the Wentian experimental module, and their extravehicular activities have been a complete success, once again breaking the record for the duration of extravehicular activities for Chinese astronauts. Astronaut Cai Xuzhe takes another spacewalk after two years, and Song Lingdong becomes China's first post-90s astronaut to conduct extravehicular activities

 

[yusheng]

At 18:18 on December 19, 2024, in the waters near Shandong, the Ceres 1 sea launched Y-4 carrier rocket was launched. Successfully launched four satellites from the Tianqi Constellation 04 group (33 to 36 stars) into a low Earth orbit with an altitude of 850 km and an inclination angle of 45 °, and the flight test mission was a complete success.