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Family: Long March. Country: China. Status: Hardware. Other Designations: Long March 3.
The Long March 3 was a three-stage launch vehicle designed for delivery of satellites of 1,500 kg mass into geosynchronous transfer orbit. The first and second stages were based on the CZ-2C, and designed and manufactured by the Shanghai Academy of Spaceflight Technology. The majority of the technology and flight hardware used in the CZ-3 had been qualified and proven on the CZ-2C. The third stage, manufactured by CALT, was equipped with an LOX/LH2 cryogenic engine. Long March 3 was also capable of placing spacecraft into an elliptical or circular low earth orbit and sun synchronous orbit.
SpecificationsLaunches: 13. Failures: 2. Success Rate: 84.62% pct. First Launch Date: 29 January 1984. Last Launch Date: 25 June 2000. LEO Payload: 4,800 kg. to: 200 km Orbit. at: 28.5 degrees. Payload: 1,500 kg. to a: Geosynchronous transfer trajectory. Liftoff Thrust: 302,000 kgf. Total Mass: 204,000 kg. Core Diameter: 3.4 m. Total Length: 44.6 m. Launch Price $: 40.00 million. in 1999 price dollars.
- Stage Number: 1. 1 x CZ-3-1 Gross Mass: 151,000 kg. Empty Mass: 9,000 kg. Thrust (vac): 306,000 kgf. Isp: 289 sec. Burn time: 132 sec. Isp(sl): 259 sec. Diameter: 3.4 m. Span: 6.0 m. Length: 20.2 m. Propellants: N2O4/UDMH No Engines: 4. YF-20A
- Stage Number: 2. 1 x CZ-3-2 Gross Mass: 39,000 kg. Empty Mass: 4,000 kg. Thrust (vac): 77,700 kgf. Isp: 295 sec. Burn time: 130 sec. Isp(sl): 270 sec. Diameter: 3.4 m. Span: 3.4 m. Length: 9.7 m. Propellants: N2O4/UDMH No Engines: 1. YF-22A/23A
- Stage Number: 3. 1 x CZ-3-3 Gross Mass: 10,500 kg. Empty Mass: 2,000 kg. Thrust (vac): 4,500 kgf. Isp: 425 sec. Burn time: 800 sec. Diameter: 2.3 m. Span: 2.3 m. Length: 7.5 m. Propellants: Lox/LH2 No Engines: 4. YF-73
CZ-3 Chronology
1984 Jan 29 - - 12:25 GMT. LV Configuration: Chang Zheng 3 s/n CZ3-1. Launch Site: Xichang . Launch Complex: LC1. FAILURE: Third stage failed to ignite.
- China 14 Spacecraft: STTW. Payload: STTW-T1. Mass: 900 kg.
Payload stranded in LEO.
1984 Apr 8 - - 11:20 GMT. LV Configuration: Chang Zheng 3 s/n CZ3-2. Launch Site: Xichang . Launch Complex: LC1.
1986 Feb 1 - - 12:37 GMT. LV Configuration: Chang Zheng 3 s/n CZ3-3. Launch Site: Xichang . Launch Complex: LC1.
- China 18 Spacecraft: STTW. Payload: STTW 1.
Stationed at 103 deg E.
1988 Mar 7 - - 12:41 GMT. LV Configuration: Chang Zheng 3 s/n CZ3-4. Launch Site: Xichang . Launch Complex: LC1.
1988 Dec 22 - - 12:40 GMT. LV Configuration: Chang Zheng 3 s/n CZ3-5. Launch Site: Xichang . Launch Complex: LC1.
- China 25 Spacecraft: STTW. Payload: STTW 3. Mass: 900 kg.
Stationed at 110 deg E.
1990 Feb 4 - - 12:28 GMT. LV Configuration: Chang Zheng 3 s/n CZ3-6. Launch Site: Xichang . Launch Complex: LC1.
1990 Apr 7 - - 12:28 GMT. LV Configuration: Chang Zheng 3 s/n CZ3-7. Launch Site: Xichang . Launch Complex: LC1.
- Asiasat 1 Spacecraft: HS 376. Mass: 1,442 kg.
First commercial Chinese launch; Stationed at 105 deg E; formerly Westar 6 (retrieved by STS-51A and refurbished). Fixed-satellite telecommunication services and transmission of television signals. Operational life about 10 years. Orbital position 105.5E. Owner/operator: Asia Satellite Telecommunications Co, Ltd. 23-24/F, East Exchange Tower, 38-40 Leighton Rd, Hong K ong. Telex 68345 ASAT HX Fax 852 576 4111.
1991 Dec 28 - - 12:00 GMT. LV Configuration: Chang Zheng 3 s/n CZ3-8. Launch Site: Xichang . Launch Complex: LC1. FAILURE: Third stage failed to ignite. Partial Failure.
1994 Jul 21 - - 10:55 GMT. LV Configuration: Chang Zheng 3 s/n CZ3-9. Launch Site: Xichang . Launch Complex: LC1.
1996 Jul 3 - - 10:47 GMT. LV Configuration: Chang Zheng 3 s/n CZ3-10. Launch Site: Xichang . Launch Complex: LC1.
1996 Aug 18 - - 10:27 GMT. LV Configuration: Chang Zheng 3 s/n CZ3-11. Launch Site: Xichang . Launch Complex: LC1.
- Zhongxing 7 Spacecraft: HS 376. Payload: Zhongxing 7.
1997 Jun 10 - - 12:01 GMT. LV Configuration: Chang Zheng 3 s/n CZ3-12. Launch Site: Xichang . Launch Complex: .
2000 Jun 25 - - 11:50 GMT. Launch Site: Xichang . Launch Complex: LC1.
- Fengyun-2 Spacecraft: Fengyun.
Second Fengyun-2 weather satellite, replacing the first FY-2 (retired in April after a three year service life). The spin-stabilised FY-2 fired its solid apogee motor early on Jun 26. By July 3, it was in a 35,791 x 35,804 km x 1.1 deg orbit drifting over the Pacific. Stationed at 104 deg E.
Bibliography:- 42 - Isakowitz, Steven J,, International Reference to Space Launch Systems Second Edition, AIAA, Washington DC, 1991.
- 61 - Wilson, Andrew, editor,, Jane's/Interavia Space Directory, Jane's Information Group, Coulsdon, Surrey, 1992 et al.
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Last update 12 March 2001.
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