Long March 11

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). The vehicle can be cold launched from a launch tube mounted on a road mobile vehicle.^[1][2]

Long March 11

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
Mass	700 kg (1,500 lb)
Payload to SSO 700km
Mass	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
Success(es)	17
First flight	25 September 2015
Last flight	25 December 2023 (most recent)
First stage – P35
Powered by	1 Solid
Maximum thrust	1,200 kilonewtons (270,000 lbf)
Burn time	71 seconds
Second stage – Solid
Powered by	1 Solid
Third stage – Solid
Powered by	1 Solid
Fourth stage – Solid
Powered by	1 Solid

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^[update], five of them from sea.

Launch Statistics

1

2

3

4

2015

2020

•   Failure
•   Partial failure
•   Success
•   Planned

List of launches

Main article: 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