Long March 11

Short description: Small orbital launch vehicle

Long March 11

Long March 11 launching on its third flight carrying Jilin-1 Shipin-07/08.

Function| Small orbital launch vehicle
Manufacturer| CALT
Country of origin| China
Size
Height| 20.8 m (68 ft)
Diameter| 2.0 m (6.6 ft)
Mass| 58,000 kg (128,000 lb)
Stages| 4
Capacity
Payload to LEO| 700 kg (1,500 lb)
Payload to SSO 700km| 350 kg (770 lb)
Associated rockets
Family| Long March
Comparable| Minotaur I, Pegasus, Start-1
Launch history
Status| Active
Launch sites| Jiuquan
Xichang
Special converted barge, Yellow Sea
Total launches| 17
Successes| 17
First flight| 25 September 2015
Last flight| 25 December 2023
First stage – P35
Engines| 1 Solid
Thrust| 1,200 kilonewtons (270,000 lbf)
Burn time| 71 seconds
Second stage – Solid
Engines| 1 Solid
Third stage – Solid
Engines| 1 Solid
Fourth stage – Solid
Engines| 1 Solid

The Long March 11 (Chinese: 長征十一號運載火箭), or Chang Zheng 11 as in pinyin, abbreviated LM-11 for export or CZ-11 within China (and designated 11H when launched from sea), is a Chinese four stage solid-propellant carrier rocket of the Long March family, which is developed by the China Aerospace Science and Technology Corporation. It was designed with the ability to launch on short notice and it can launch from road vehicles (CZ-11) and ships (CZ-11H). Sometimes the rocket is thought to be likely based on the DF-31 missile, which is actually not true. The vehicle can be cold launched from a launch tube mounted on a road mobile vehicle.[1][2]

The maiden flight of the Long March 11 occurred on 25 September 2015.[3] The first sea launch occurred on 5 June 2019, from a converted barge stationed in the Yellow Sea.[4] Seventeen launches have been made (As of December 2023), five of them from sea.

## Launch Statistics

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## List of launches

Main page: Engineering:List of Long March launches
Flight number  | Serial number  | Date (UTC)  | Launch site  | Payload  | Orbit  | Outcome

|
|
|
|
|
|

1  | Y1  | 25 September 2015
01:41  | JSLC  | Pujiang-1
Tianwang 1A
Tianwang 1B
Tianwang 1C  | SSO | Success[3]
2  | Y2  | 9 November 2016
23:42  | JSLC  | XPNAV 1
Xiaoxiang 1  | SSO | Success[3][5]
3  | Y3  | 19 January 2018
04:12  | JSLC  | Jilin-1 07
Jilin-1 08
4 cubesats  | SSO | Success[6]
4  | Y4  | 26 April 2018
04:42[7] | JSLC  | Zhuhai-1 OVS-1
Zhuhai-1 OHS-1/2/3/4  | SSO | Success
5  | Y5  | 21 December 2018
23:51[8] | JSLC  | Hongyun-1  | SSO | Success
6  | Y6  | 21 January 2019
05:42[9] | JSLC  | Jilin-1 Spectral 01/02
Lingque-1A
Xiaoxiang-1-03  | SSO | Success
7  | HY1  | 5 June 2019
04:06[4] | Special converted barge (Tai Rui)
Yellow Sea
(34.90° N, 121.19° E)  | Bufeng-1A
Bufeng-1B
Jilin-1 High Resolution 03A
Xiaoxiang-1-04
Tianqi-3
Tianxiang-1A
Tianxiang-1B  | LEO | Success
8  | Y7  | 19 September 2019
06:42[10] | JSLC  | Zhuhai-1 OVS-3
Zhuhai-1 OHS-3A/B/C/D  | SSO | Success
9  | Y8  | 29 May 2020
20:13 [11] | XSLC  | XJS G (Earth observation technology)
XJS H (Earth observation technology)  | LEO | Success
10  | HY2  | 15 September 2020
01:23 [12] | Special converted barge (De Bo 3)
Yellow Sea
(34.31° N, 123.76° E)  | Jilin-1 Gaofen-03B 01/02/03/04/05/06
Jilin-1 Gaofen-03C 01/02/03  | SSO | Success
11  | Y9  | 9 December 2020
20:14 [13] | XSLC  | GECAM A
GECAM B | LEO | Success
12  | Y10  | 30 March 2022
02:29[14] | JSLC  | Tianping-2A
Tianping-2B
Tianping-2C  | LEO | Success
13  | HY3  | 30 April 2022
03:30[15] | Special converted barge (Tai Rui)
East China Sea
(32.18° N, 123.79° E)  | Jilin-1 Gaofen-03D 04/05/06/07
Jilin-1 Gaofen-04A  | SSO | Success
14  | HY4  | 7 October 2022
13:10[16] | Special converted barge (DeFu 15002)
Offshore waters of Haiyang Port
(36.23° N, 121.20° E)  | Centispace 1-S5/S6  | LEO | Success
15  | Y12  | 16 December 2022
06:17[17] | XSLC  | Shiyan 21 | LEO | Success
16  | Y11  | 15 March 2023
11:41[18] | JSLC  | Shiyan 19 | SSO | Success
17  | HY5  | 25 December 2023
22:39[19] | Special converted barge (Bo Run Jiu Zhou)
South China Sea  | Shiyan 24C-01
Shiyan 24C-02
Shiyan 24C-03 | SSO | Success

## References

1. ↑ Krebs, Gunter. "CZ-11 (Chang Zheng-11)". Gunter's Space Page. http://space.skyrocket.de/doc_lau/cz-11.htm.
2. ↑ "长征十一号固体运载火箭研制历程——继承，但不守旧" (in ZH). http://zhuanti.spacechina.com/n1038285/c1039953/content.html.
3. ↑ 3.0 3.1 3.2 Barbosa, Rui C. (25 September 2015). "China debuts Long March 11 lofting Tianwang-1 trio". NASASpaceflight.com. http://www.nasaspaceflight.com/2015/09/china-debuts-long-march-11-lofting-tianwang-1-trio/.
4. ↑ 4.0 4.1 Barbosa, Rui C. (5 June 2019). "China conducts first Sea Launch mission with Long March 11 launch of seven satellites". NASASpaceflight.com. https://www.nasaspaceflight.com/2019/06/china-first-sea-launch-long-march-11-seven-satellites/.
5. ↑ Krebs, Gunter. "XPNAV 1". Gunter's Space Page. http://space.skyrocket.de/doc_sdat/xpnav-1.htm.
6. ↑ Barbosa, Rui C. (19 January 2018). "Long March 11 in multiple satellite launch". NASASpaceflight.com. https://www.nasaspaceflight.com/2018/01/long-march-11-multiple-satellite-launch/.
7. ↑ Barbosa, Rui C. (26 April 2018). "Long March 11 launches multiple satellites". NASASpaceflight.com. https://www.nasaspaceflight.com/2018/04/long-march-11-launches-multiple-satellites/.
8. ↑ Barbosa, Rui C.. "Chinese Long March 11 launches with the first Hongyun satellite". NASASpaceflight.com. https://www.nasaspaceflight.com/2018/12/chinese-long-march-11-launches-hongyun-satellite/.
9. ↑ "Long March 11 launches with three satellites – NASASpaceFlight.com" (in en-US). 21 January 2019. https://www.nasaspaceflight.com/2019/01/long-march-11-launches-with-three-satellites/.
10. ↑ Barbosa, Rui C. (19 September 2019). "Long March 11 lofts Zhuhai-1 Group-3 satellites". NASASpaceflight.com. https://www.nasaspaceflight.com/2019/09/long-march-11-zhuhai-1-group-3-satellites/.
11. ↑ Clark, Stephen (1 June 2020). "Two Chinese launches deploy satellites for Earth-imaging, tech demonstrations". Spaceflight Now. https://spaceflightnow.com/2020/06/01/two-chinese-launches-deploy-satellites-for-earth-imaging-tech-demonstrations/.
12. ↑ "China successfully launches satellites from ocean-going platform". Spaceflight Now. 17 September 2020. https://spaceflightnow.com/2020/09/17/china-successfully-launches-satellites-from-ocean-going-platform/.
13. ↑ "China launches two satellites for gravitational wave detection". Hindustan Times. 10 December 2020. https://www.hindustantimes.com/world-news/china-successfully-launches-two-satellites-for-gravitational-wave-detection/story-3TDh05svfDFswRWEOFz3JN.html.
14. ↑ "China launches three satellites". Xinhua. 30 March 2022. https://english.news.cn/20220330/639bd31923be428dba47c23451604080/c.html.
15. ↑ "海上一箭打五星！长十一，成功！". 30 April 2022. https://mp.weixin.qq.com/s/R7PkQh0ol-t-E5ALtcAoHA.
16. ↑ Jones, Andrew (7 October 2022). "China launches pair of navigation enhancement satellites from sea platform". Space.com. https://www.space.com/china-long-march-11-launch-navigation-satellites.
17. ↑ Jones, Andrew (16 December 2022). "China completes seventh space launch inside 10 days". SpaceNews. https://spacenews.com/china-completes-seventh-space-launch-inside-10-days/.
18. ↑ Jones, Andrew (15 March 2023). "China launches classified Shiyan-19 test satellite from the Gobi Desert". SpaceNews. https://spacenews.com/china-launches-classified-shiyan-19-test-satellite-from-gobi-desert/.
19. ↑ "China launches 3 satellites from sea". Xinhua. 26 December 2023. https://english.news.cn/20231226/ca77516407a8492383a1804bb41e2e53/c.html.

* v
* t
* e

Long March (rocket family)

Rockets|

* Feng Bao 1
* Long March 1
* 1D
* Long March 2
* 2A
* 2C
* 2D
* 2E
* 2F
* Long March 3
* 3A
* 3B
* 3B/E
* 3C
* Long March 4
* 4A
* 4B
* 4C
* Long March 5
* 5B
* Long March 6
* Long March 7
* 7A
* Long March 8
* Long March 9
* Long March 11

Launch sites|

* Jiuquan
* Taiyuan
* Wenchang
* Xichang

Manufacturers|

* China Academy of Launch Vehicle Technology
* Shanghai Academy of Spaceflight Technology

Designers|

Wang Xiji

* List of Long March launches

* v
* t
* e

Chinese launch systems

Sounding rockets|

* T-7
* OS-XO

Orbital launch vehicles|

| Active|

* Hyperbola-1
* Jielong 1
* Kaituozhe 2
* Kuaizhou
* 1
* 1A
* Long March
* CZ-2C
* 2D
* 2F
* 3A
* 3B/E
* 3C
* 4B
* 4C
* 5
* 6
* 7
* 7A
* 11
* OS-M1
* Zhuque-1

|

In development|

* Hyperbola-2
* Kuaizhou
* 11
* 21
* 31
* Long March
* CZ-8
* 9
* New Line 1
* OS-M2
* OS-M4
* Zhuque-2

Retired|

* Feng Bao 1
* Kaituozhe-1
* Long March
* CZ-1
* 1D
* 2A
* 2E
* 3
* 3B
* 4A

* v
* t
* e

Orbital launch systems

* List of orbital launch systems
* Comparison of orbital launch systems

Current|

* Angara
* A5
* Antares 230+
* Ariane 5
* Atlas V
* Delta IV Heavy
* Electron
* Epsilon
* Falcon 9 Block 5
* Falcon Heavy
* GSLV
* Mk II
* Mk III
* H-IIA
* H-IIB
* Hyperbola-1
* Jielong 1
* Kuaizhou
* 1
* 1A
* Kaituozhe 2
* Long March
* 2C
* 2D
* 2F
* 3A
* 3B/E
* 3C
* 4B
* 4C
* 5
* 6
* 7
* 11
* Minotaur
* I
* IV
* V
* C
* OS-M1
* Pegasus XL
* Proton-M
* PSLV
* Safir
* Shavit
* Simorgh
* Soyuz-2
* 2.1a / STA
* 2.1b / STB
* 2-1v
* Unha
* Vega
* Zenit
* 3SL
* 3SLB
* 3F
* Zhuque-1

In development|

* Angara 1.2
* Ariane 6
* Bloostar
* Cyclone-4M
* Eris
* Firefly Alpha
* Beta
* H3
* Hyperbola-2
* Irtysh
* Kuaizhou
* 11
* 21
* 31
* LauncherOne
* Long March
* 8
* 9
* Miura 5
* New Glenn
* New Line 1
* Nuri
* OmegA
* OS-M2
* OS-M4
* Orbex Prime
* SLS
* Soyuz-7
* SSLV
* Starship
* Terran 1
* Vega C
* Vega E
* Vulcan
* Zero
* Zhuque-2

Retired|

* Antares 110/120/130/230
* Ariane
* 1
* 2
* 3
* 4
* ASLV
* Athena
* I
* II
* Atlas
* B
* D
* E/F
* G
* H
* I
* II
* III
* LV-3B
* SLV-3
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* A
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* D
* E
* G
* J
* L
* M
* N
* 0100
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* 4000
* 5000
* II
* III
* IV
* Diamant
* Dnepr
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* Europa
* Falcon 1
* Falcon 9
* v1.0
* v1.1
* v1.2 "Full Thrust"
* Feng Bao 1
* GSLV
* Mk I
* H-I
* H-II
* Juno I
* Juno II
* Kaituozhe-1
* Kosmos
* 1
* 2I
* 3
* 3M
* Lambda 4S
* Long March
* 1
* 1D†
* 2A
* 2E
* 3
* 3B
* 4A
* Mu
* 4S 3C 3H 3S 3SII
* V
* N1†
* N-I
* N-II
* Naro-1
* Paektusan
* Pilot†
* R-7
* Luna
* Molniya
* M
* L
* Polyot
* Soyuz
* original
* FG
* L
* M
* U
* U2
* Soyuz/Vostok
* Sputnik
* Voskhod
* Vostok
* L
* K
* 2
* 2M
* R-29
* Shtil'
* Volna
* Saturn
* I
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* V
* Scout
* SLV
* Space Shuttle
* SPARK†
* Sparta
* SS-520
* Start-1
* Thor
* Able
* Ablestar
* Agena
* Burner
* Delta
* DSV-2U
* Thorad-Agena
* Titan
* II GLV
* IIIA
* IIIB
* IIIC
* IIID
* IIIE
* 34D
* 23G
* CT-3
* IV
* Tsyklon
* 2
* 3
* 4
* UR (Proton)
* UR-500 (Proton)
* Proton-K
* Rokot
* Strela
* Vanguard
* VLS-1†
* Zenit
* 2
* 2M

Classes|

* Sounding rocket
* Small-lift launch vehicle
* Medium-lift launch vehicle
* Heavy-lift launch vehicle
* Super heavy-lift launch vehicle

* Symbol † indicates projects terminated before a successful orbital launch

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