Long March 4B

Long March 4B
Size
Long March 4B
Function	Carrier rocket
Manufacturer	CALT
Country of origin	People's Republic of China
Height	44.1 metres (145 ft)^[1]
Diameter	3.35 metres (11.0 ft)^[2]
Mass	249,200 kilograms (549,400 lb)^[2]
Stages	3
Capacity
Payload to LEO	4,200 kilograms (9,300 lb)^[3]
Payload to SSO	2,800 kilograms (6,200 lb)^[3]
Payload to GTO	1,500 kilograms (3,300 lb)^[3]
Associated rockets
Family	Long March
Derivatives	Long March 4C
Launch history
Status	Active
Launch sites	LA-7 & LA-9, TSLC LA-4/SLS-2, JSLC
Total launches	28
Successes	27
Failures	1
First flight	10 May 1999

First stage
Length	27.91 m
Diameter	3.35 m
Propellant mass	182,000 kg (401,000 lb)
Engines	4 YF-21C
Thrust	2,961.6 kN (665,800 lb_f)
Specific impulse	2,550 m/s (260 s)
Fuel	N2O4/UDMH
Second stage
Length	10.9 m
Diameter	3.35 m
Propellant mass	52,700 kg (116,200 lb)
Engines	1 YF-24C (1 x YF-22C (Main)) (4 x YF-23C (Vernier))
Thrust	742.04 kN (166,820 lb_f) (Main) 47.1 kN (10,600 lb_f) (Vernier)
Specific impulse	2,942 m/s (300.0 s) (Main) 2,834 m/s (289.0 s) (Vernier)
Fuel	N2O4/UDMH
Third stage
Length	14.79 m
Diameter	2.9 m
Propellant mass	14,000 kg (31,000 lb)
Engines	2 YF-40
Thrust	100.85 kN (22,670 lb_f)
Specific impulse	2,971 m/s (303.0 s)
Fuel	N2O4/UDMH

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 orbital carrier rocket. Launched from Launch Complex 1 at the Taiyuan Satellite Launch Center, it is a 3-stage rocket, used mostly to place satellites into low Earth and sun synchronous orbits. It was first launched on 10 May 1999, with the FY-1C weather satellite, which would later be used in the 2007 Chinese anti-satellite missile test.

The Chang Zheng 4B experienced its first launch failure on 9 December 2013, with the loss of the CBERS-3 satellite.^[4]

List of launches

Main article: List of Long March launches

Flight number	Date (UTC)	Launch site	Payload	Orbit	Result
1	May 10, 1999 01:33	LA-7, TSLC	Fengyun 1C Shijian 5	SSO	Success
2	October 14, 1999 03:15	LA-7, TSLC	CBERS-1 SACI-1	SSO	Success
3	September 1, 2000 03:25	LA-7, TSLC	Ziyuan II-01	SSO	Success
4	May 15, 2002 01:50	LA-7, TSLC	Fengyun 1D Haiyang-1A	SSO	Success
5	October 27, 2002 03:17	LA-7, TSLC	Ziyuan II-02	SSO	Success
6	October 21, 2003 03:16	LA-7, TSLC	CBERS-2 Chuangxin-1-01	SSO	Success
7	September 8, 2004 23:14	LA-7, TSLC	Shijian 6A Shijian 6B	SSO	Success
8	November 6, 2004 03:10	LA-7, TSLC	Ziyuan II-03	SSO	Success
9	October 23, 2006 23:34	LA-7, TSLC	Shijian 6C Shijian 6D	SSO	Success
10	September 19, 2007 03:26	LA-7, TSLC	CBERS-2B	SSO	Success
11	October 25, 2008 01:15	LA-9, TSLC	Shijian 6E Shijian 6F	SSO	Success
12	December 15, 2008 03:22	LA-9, TSLC	Yaogan 5	SSO	Success
13	October 6, 2010 00:49	LA-9, TSLC	Shijian 6G Shijian 6H	SSO	Success
14	August 15, 2011 22:57	LA-9, TSLC	Haiyang-2A	SSO	Success
15	November 9, 2011 03:21	LA-9, TSLC	Yaogan 12 Tianxun-1	SSO	Success
16	December 22, 2011 03:26	LA-9, TSLC	Ziyuan I-02C	SSO	Success
17	January 9, 2012 03:17	LA-9, TSLC	Ziyuan III-01 VesselSat-2	SSO	Success
18	May 10, 2012 07:06	LA-9, TSLC	Yaogan 14 Tiantuo-1	SSO	Success
19	October 25, 2013 03:50	LA-4/SLS-2, JSLC	Shijian 16	LEO	Success
20	December 9, 2013 03:26	LA-9, TSLC	CBERS-3	SSO	Failure
21	August 19, 2014 03:15	LA-9, TSLC	Gaofen 2 BRITE-PL2	SSO	Success
22	September 8, 2014 03:22	LA-9, TSLC	Yaogan 21 Tiantuo-2	SSO	Success
23	December 7, 2014 03:26	LA-9, TSLC	CBERS-4	SSO	Success
24	December 27, 2014 03:22	LA-9, TSLC	Yaogan 26	SSO	Success
25	June 26, 2015 06:22	LA-9, TSLC	Gaofen 8	SSO	Success
26	November 8, 2015 07:06	LA-9, TSLC	Yaogan 28	SSO	Success
27	May 30, 2016 03:17	LA-9, TSLC	Ziyuan III-02 ÑuSat-1/-2	SSO	Success
28	June 29, 2016 03:21	LA-4/SLS-2, JSLC	Shijian 16-02	LEO	Success

Launch failures

CBERS-3 launch failure

On December 9, 2013, a Long March 4B rocket failed while launching the CBERS-3 satellite. During powered flight of the third stage, one of its two engines shut down prematurely and the satellite failed to reach orbit. The cause was traced to foreign debris that blocked the fuel intake of the engine.^[5]

References

↑ Brian Harvey. "China in Space: The Great Leap Forward". Retrieved 2016-10-30.
1 2 Mark Wade. "CZ-4B". Encyclopedia Astronautica. Retrieved 2008-04-27.
1 2 3 Gunter Krebs. "CZ-4B (Chang Zheng-4B)". Gunter's Space Page. Retrieved 2008-04-27.
↑ Boadle, Anthony. "China-Brazil satellite launch fails, likely fell back to Earth". Reuters. Retrieved 10 December 2013.
↑ de Selding, Peter B. (3 March 2014). "China Great Wall Pins December Long March Launch Failure on Fuel-line Clog". SpaceNews. Retrieved 10 August 2015.

Orbital launch systems

Current	Angara 1.2 A5 Antares 200 Ariane 5 Atlas V Delta II IV Dnepr Epsilon Falcon 9 v1.2 "Full Thrust" GSLV H-IIA H-IIB Kuaizhou Long March 2C 2D 2F 3A 3B 3C 4B 4C 5 6 7 11 LVM3 Minotaur I IV V C Pegasus Proton-M PSLV Rokot Safir Shavit Simorgh Soyuz U FG Soyuz-2 2.1a / STA 2.1b / STB 2-1v Strela Unha Vega Zenit 3SL 3SLB 3F

In development	Angara A5P A5V Antares 300 Ariane 6 Electron Falcon 9 "Block 5" Falcon Heavy Firefly α H3 ITS KZ-11 KZ-21 Long March 8 9 LauncherOne Mayak Naga-L Naro-2 New Glenn Orel Proton Light Medium RPS SLS Soyuz-5 SPARK SS-520 Tronador II Tsyklon-4 ULV VLM Vulcan

Retired	Antares 100 Ariane 1 2 3 4 ASLV Athena I II Atlas B D E/F G H I II III LV-3B SLV-3 Able Agena Centaur Black Arrow Conestoga Delta A B C D E G J L M N 0100 1000 2000 3000 4000 5000 III Diamant Energia Europa Falcon 1 Falcon 9 v1.0 v1.1 Feng Bao 1 H-I H-II Juno I Juno II Kaituozhe-1 Kosmos 1 2I 3 3M Lambda 4S Long March 1 2A 2E 3 4A Mu 4S 3C 3H 3S 3SII V N1 N-I N-II Naro-1 Paektusan Pilot Proton UR-500 K R-7 Luna Molniya M L Polyot Soyuz original L M U2 Soyuz/Vostok Sputnik Voskhod Vostok L K 2 2M R-29 Shtil' Volna Saturn I IB V INT-21 Scout SLV Space Shuttle Sparta 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 Vanguard Zenit 2 2M

Chinese space program

Space programs	Beidou Navigation Satellite System Chinese anti-satellite missile test Chinese space station CBERS CLEP (Chang'e) Dark Matter Particle Explorer Dong Fang Hong Double Star Fanhui Shi Weixing Fengyun Hard X-ray Modulation Telescope Kuafu Kuaizhou Long March Naga-L Project 921-3 Shenzhou program Shuguang Space Solar Telescope Tiangong program Tianlian I Tianzhou Yaogan Yinghuo-1

Launch sites	Jiuquan Satellite Launch Center Taiyuan Satellite Launch Center Xichang Satellite Launch Center (include China Wenchang Spacecraft Launch Site)

Scientists	Chen Qiufa Du Qinghua Hu Haichang Ma Xingrui Ouyang Ziyuan Qi Faren Qian Xuesen Sun Laiyan Wan Hu Wang Yongzhi Xu Dazhe Ye Peijian Zhao Jiuzhang Zhu Miaolong

Astronauts	Chen Dong Fei Junlong Jing Haipeng Liu Boming Liu Yang Liu Wang Nie Haisheng Yang Liwei Zhai Zhigang Zhang Xiaoguang Wang Yaping

China National Space Administration (CNSA)

Long March rockets

LM 1 family	Long March 1 1D

LM 2 family	Feng Bao 1 Long March 2A 2C 2D 2E 2E(A) 2F

LM 3 family	Long March 3 3A 3B 3B/E 3B(A) 3C

LM 4 family	Long March 4A 4B 4C

LM 5 family	Long March 5

LM 6 family	Long March 6

LM 7 family	Long March 7

LM 8 family	Long March 8

LM 9 family	Long March 9

LM 11 family	Long March 11

List of Long March launches China Academy of Launch Vehicle Technology

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