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Long March 8 (Chinese: 长征八号运载火箭) is an orbital launch vehicle developed by the China Academy of Launch Vehicle Technology to launch up to 5000 kg to a 700 km altitude Sun-synchronous orbit (SSO).[4] The rocket is based on the Long March 7 with its first stage and two boosters, along with the existing liquid hydrogen burning third stage of the Long March 3A/3B/3C and 7A as its second stage. The boosters are omitted in the "core only" variant that first flew on its second launch in February 2022.[1]

A planned future launch vehicle variant of the Long March 8 will be partially reusable by featuring a combined booster recovery of the first stage and the boosters as a single unit.[5]

The maiden flight of the Long March 8 was launched on 22 December 2020 from the Wenchang Spacecraft Launch Site.[6]

CZ-8A variant

An upgraded version of the Long March 8, the Long March 8A (Chinese: 长征八号甲运载火箭), will debut in 2024 with increased capability of up to 7 tonnes to a 700 km altitude sun-synchronous orbit. It implements a larger 3.35 meters diameter liquid hydrogen/liquid oxygen second stage, coupled with 2 upgraded version of the YF-75D engines (known as the YF-75H) with increased thrust to 10 tonnes each through measures such as increased turbopump speeds. The Long March 8A can also use a larger 5.2 meters diameter payload fairing.

Launch statistics

2
2020
2021
2022
2023
2024
  •   Failure
  •   Partial failure
  •   Success
  •   Planned

List of launches

S.no Flight number Date
(UTC)
Variant Launch site Payload Orbit Outcome
1 Y1 22 December 2020
04:37[6][7]
Standard Wenchang, LC-2 Xinjishu Yanzheng 7 (XJY-7)
Haisi-1
Tianqi Xingzuo 08 (Ping'an-1)
Yuanguang-1
ET-SMART-RSS (Zhixing-1A)
SSO Success
2 Y2 27 February 2022
03:06[8]
Core only[8] Wenchang, LC-2 Dayun (Xingshidai-17)
Hainan-1 01, 02
Jilin-1 Gaofen-03D 10–18
Jilin-1 Mofang-02A 01
Qimingxing-1
Taijing-3 01
Taijing-4 01
Tianxian-1 (Chaohu-1)
Chuangxing Leishen
Wenchang-1 01, 02
XD-1
Tianqi-19
SSO Success
3 Y3 20 March 2024
00:31[9]
Standard Wenchang, LC-2 Queqiao-2
Tiandu-1
Tiandu-2
Selenocentric Success
4 Y4 June 2024 [10] Standard Wenchang, LC-2 TBA LEO Planned
5 Y1 December 2024 [11] Standard Wenchang, LC-1 TBA LEO Planned

See also

References

  1. ^ a b c d "长征八号遥二运载火箭飞行试验取得圆满成功". people.cn (in Chinese (China)). 27 February 2022. Retrieved 18 March 2023.
  2. ^ a b Zhengyu, Song; Lidong, Liu; Xiaofei, Chen; Shanshu, Xu; Yitian, Wu (April 2023). "Development and Key Technologies of Long March 8 Family: China's Next-generation Medium-lift Launchers". Journal of Astronautics. 44 (4): 476–485. doi:10.3873/j.issn.1000-1328.2023.04.002. Retrieved 7 June 2024.
  3. ^ "长征八号改进型火箭二子级暨通用氢氧末级全系统试车成功!长征八号改进型火箭今年首飞 (All-Systems testing of upgraded Long March 8 second stage/universal LH2/LOX upper stage a success! Upgraded Long March 8 will first launch this year)" (in Chinese). CALT. Retrieved 7 June 2024.
  4. ^ 贾平凡 (28 December 2020). "长征八号首飞成功 中国运载火箭家族再添新成员" (in Simplified Chinese). 新华社. Retrieved 27 February 2022.
  5. ^ Jones, Andrew (30 April 2018). "China to test rocket reusability with planned Long March 8 launcher". SpaceNews. Retrieved 6 December 2020.
  6. ^ a b Jones, Andrew (22 December 2020). "China launches first Long March 8 from Wenchang spaceport". SpaceNews. Retrieved 22 December 2020.
  7. ^ "长征八号运载火箭首次飞行试验取得圆满成功" [First Long March 8 rocket test flight was a complete success]. CNSA (in Chinese). 22 December 2020. Retrieved 22 December 2020.
  8. ^ a b Jones, Andrew (27 February 2022). "China launches national record 22 satellites on Long March 8 commercial rideshare". SpaceNews. Retrieved 1 March 2022.
  9. ^ "China launches new relay satellite for Earth-Moon communications". Xinhua. 20 March 2024. Retrieved 21 March 2024.
  10. ^ "China launches new relay satellite for Earth-Moon communications". Xinhua. 20 March 2024. Retrieved 21 March 2024.
  11. ^ "China launches new relay satellite for Earth-Moon communications". Xinhua. 20 March 2024. Retrieved 21 March 2024.
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