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From Wikipedia, the free encyclopedia

Long March 4C
CZ-4C.svg
Long March 4C
FunctionLaunch vehicle
ManufacturerSAST
Country of originChina
Size
Height45.8 m (150 ft) [1]
Diameter3.35 m (11.0 ft)
Mass250,000 kg (550,000 lb)
Stages3
Capacity
Payload to LEO
Mass4,200 kg (9,300 lb) [2]
Payload to SSO
Mass2,800 kg (6,200 lb) [2]
Payload to GTO
Mass1,500 kg (3,300 lb) [2]
Associated rockets
FamilyLong March
Launch history
StatusActive
Launch sitesTSLC, LA-7, LA-9
JSLC, LA-4/SLS-2
XSLC, LA-3
Total launches33
Success(es)31
Failure(s)2
First flight26 April 2006
Last flight31 March 2021
First stage
Length27.91 m
Diameter3.35 m
Propellant mass182,000 kg (401,000 lb)
Engines4 YF-21C
Thrust2,961.6 kN (665,800 lbf)
Specific impulse2,550 m/s (8,400 ft/s)
FuelN2O4 / UDMH
Second stage
Length10.9 m
Diameter3.35 m
Propellant mass52,700 kg (116,200 lb)
Engines1 YF-24C
(1 x YF-22C (Main))
(4 x YF-23C (Vernier))
Thrust742.04 kN (166,820 lbf) (Main)
47.1 kN (10,600 lbf) (Vernier)
Specific impulse2,942 m/s (9,650 ft/s) (Main)
2,834 m/s (9,300 ft/s) (Vernier)
FuelN2O4 / UDMH
Third stage
Length14.79 m
Diameter2.9 m
Propellant mass14,000 kg (31,000 lb)
Engines2 YF-40A
Thrust100.85 kN (22,670 lbf)
Specific impulse2,971 m/s (9,750 ft/s)
FuelN2O4 / UDMH

The Long March 4C, also known as the Chang Zheng 4C, CZ-4C and LM-4C, previously designated Long March 4B-II, is a Chinese orbital launch vehicle. It is launched from the Jiuquan, Taiyuan, and Xichang Satellite Launch Centers, and consists of 3 stages. Long March 4C vehicles have been used to launch the Yaogan-1, Yaogan-3 synthetic-aperture radar (SAR) satellites and the Fengyun-3A polar orbiting meteorological satellite. On 15 December 2009, a Long March 4C was used to launch Yaogan-8.[3]

Because it was still designated as Long March 4B-II at the time of its maiden flight, the first launch is often mistaken for a Long March 4B. The Long March 4C is derived from the Long March 4B, but features a restartable upper stage, and a larger payload fairing.

On 1 September 2016, the Long March 4C failed for reasons not yet known. A Long March 4C rocket blasted off from the Taiyuan Satellite Launch Center in Shanxi but failed to insert its payload, the Gaofen 10 satellite, into its designated orbit.[4][5]

List of launches

Flight number Date (UTC) Launch site Payload Orbit Result
1 26 April 2006
22:48
TSLC, LA-7 Yaogan 1 SSO Success
2 11 November 2007
22:48
TSLC, LA-7 Yaogan 3 SSO Success
3 27 May 2008
03:02
TSLC, LA-7 Fengyun 3A SSO Success
4 15 December 2009
02:31
TSLC, LA-9 Yaogan 8
Xiwang 1
SSO Success
5 5 March 2010
04:55
JSLC, LA-4/SLS-2 Yaogan 9A
Yaogan 9B
Yaogan 9C
LEO Success
6 9 August 2010
22:49
TSLC, LA-9 Yaogan 10 SSO Success
7 4 November 2010
18:37
TSLC, LA-9 Fengyun 3B SSO Success
8 29 May 2012
07:31
TSLC, LA-9 Yaogan 15 SSO Success
9 25 November 2012
04:06
JSLC, LA-4/SLS-2 Yaogan 16A
Yaogan 16B
Yaogan 16C
LEO Success
10 19 July 2013
23:37
TSLC, LA-9 Shijian 15
Shiyan-7
Chuangxin-3
SSO Success
11 1 September 2013
19:16
JSLC, LA-4/SLS-2 Yaogan 17A
Yaogan 17B
Yaogan 17C
LEO Success
12 23 September 2013
03:07
TSLC, LA-9 Fengyun 3C SSO Success
13 20 November 2013
03:31
TSLC, LA-9 Yaogan 19 SSO Success
14 9 August 2014
05:45
JSLC, LA-4/SLS-2 Yaogan 20A
Yaogan 20B
Yaogan 20C
LEO Success
15 20 October 2014
06:31
TSLC, LA-9 Yaogan 22 SSO Success
16 10 December 2014
19:33
JSLC, LA-4/SLS-2 Yaogan 25A
Yaogan 25B
Yaogan 25C
LEO Success
17 27 August 2015
02:31
TSLC, LA-9 Yaogan 27 SSO Success
18 26 November 2015
21:24
TSLC, LA-9 Yaogan 29 SSO Success
19 9 August 2016
22:55
TSLC, LA-9 Gaofen 3 SSO Success
20 31 August 2016
18:50
TSLC, LA-9 Gaofen 10 SSO Failure [4]
21 14 November 2017
18:35
TSLC, LA-9 Fengyun 3D
HEAD-1
SSO Success
22 31 March 2018
03:22
TSLC, LA-9 Gaofen-1 02
Gaofen-1 03
Gaofen-1 04
SSO Success
23 10 April 2018
04:25
JSLC, LA-4/SLS-2 Yaogan 31-01A
Yaogan 31-01B
Yaogan 31-01C
LEO Success
24 8 May 2018
18:28
TSLC, LA-9 Gaofen 5 SSO Success
25 20 May 2018
21:28
XSLC, LA-3 Queqiao (Chang'e 4 relay satellite)
Longjiang-1
Longjiang-2
Earth–Moon L2 Success
26 22 May 2019
22:49
TSLC, LA-9 Yaogan 33 SSO Failure [6]
27 4 October 2019
18:51
TSLC, LA-9 Gaofen 10-2 SSO Success
28 27 November 2019
23:52
TSLC, LA-9 Gaofen 12-01 SSO Success
29 27 December 2020
15:44
JSLC, LA-4/SLS-2 Yaogan 33-2 SSO Success
30 29 January 2021
04:47
JSLC, LA-4/SLS-2 Yaogan 31-02A
Yaogan 31-02B
Yaogan 31-02C
LEO Success
31 24 February 2021
02:22
JSLC, LA-4/SLS-2 Yaogan 31-03A
Yaogan 31-03B
Yaogan 31-03C
LEO Success
32 13 March 2021
02:19
JSLC, LA-4/SLS-2 Yaogan 31-04A
Yaogan 31-04B
Yaogan 31-04C
LEO Success
33 30 March 2021
22:45
JSLC, LA-4/SLS-2 Gaofen 12-02 SSO Success

References

  1. ^ Brian Harvey (2013). China in Space: The Great Leap Forward. Springer Science & Business Media. p. 96. ISBN 978-1-4614-5043-6.
  2. ^ a b c Gunter Krebs. "CZ-4C (Chang Zheng-4C)". Gunter's Space Page. Retrieved 27 April 2008.
  3. ^ Rui C. Barbosa (15 December 2009). "China completes 2009 schedule by launching another spy satellite". NASASpaceFlight.com.
  4. ^ a b Stephen Chen (2 September 2016). "Chinese rocket launch reported to have failed, destroying cutting-edge earth observation satellite". South China Morning Post. Retrieved 2 September 2016.
  5. ^ Rui C. Barbosa (2 September 2016). "Long March 4C apparently fails during Gaofen 10 launch". NASASpaceFlight.com. Retrieved 2 September 2016.
  6. ^ "Launch of Yaogan-33 satellite fails in north China". Xinhuanet.com. Retrieved 23 May 2019.

External links

This page was last edited on 31 March 2021, at 05:14
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