Encyclopedia Astronautica
CZ-3A



cz3a.jpg
CZ-3A
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LM-3A
Long March LM-3A launch vehicle on the launch pad.
Chinese three-stage orbital launch vehicle. The Long March 3A, by incorporating the mature technologies of the CZ-3 and adding a more powerful cryogenic third stage and more capable control system, had a greater geosynchronous transfer orbit capability, greater flexibility for attitude control, and better adaptability to a variety of launch missions.

The CZ-3A's geosynchronous transfer orbit payload capability was 2,700kg. By June 30, 1998, the CZ-3A had made three consecutive successful launches, and was offered to international customers.

LEO Payload: 7,200 kg (15,800 lb) to a 200 km orbit at 28.50 degrees. Payload: 2,600 kg (5,700 lb) to a GTO. Launch Price $: 55.000 million in 1999 dollars.

Stage Data - CZ-3A

  • Stage 1. 1 x CZ-3A-1. Gross Mass: 179,000 kg (394,000 lb). Empty Mass: 9,000 kg (19,800 lb). Thrust (vac): 3,265.143 kN (734,033 lbf). Isp: 289 sec. Burn time: 155 sec. Isp(sl): 259 sec. Diameter: 3.35 m (10.99 ft). Span: 7.00 m (22.90 ft). Length: 23.08 m (75.72 ft). Propellants: N2O4/UDMH. No Engines: 4. Engine: YF-20B. Other designations: L-180. Status: In Production.
  • Stage 2. 1 x CZ-3A-2. Gross Mass: 33,600 kg (74,000 lb). Empty Mass: 4,000 kg (8,800 lb). Thrust (vac): 831.005 kN (186,817 lbf). Isp: 297 sec. Burn time: 110 sec. Isp(sl): 260 sec. Diameter: 3.35 m (10.99 ft). Span: 3.35 m (10.99 ft). Length: 11.53 m (37.82 ft). Propellants: N2O4/UDMH. No Engines: 1. Engine: YF-25/23. Other designations: L-35. Status: In Production.
  • Stage 3. 1 x CZ-3A-3. Gross Mass: 21,000 kg (46,000 lb). Empty Mass: 2,800 kg (6,100 lb). Thrust (vac): 156.000 kN (35,070 lbf). Isp: 440 sec. Burn time: 470 sec. Diameter: 3.00 m (9.80 ft). Span: 3.00 m (9.80 ft). Length: 12.38 m (40.60 ft). Propellants: Lox/LH2. No Engines: 2. Engine: YF-75. Other designations: H-18. Status: In Production.

AKA: Long March 3A; Chang Zheng 3A; Chang Zheng-3A.
Status: Active.
Gross mass: 241,000 kg (531,000 lb).
Payload: 7,200 kg (15,800 lb).
Height: 52.50 m (172.20 ft).
Diameter: 3.35 m (10.99 ft).
Thrust: 2,960.00 kN (665,430 lbf).
Apogee: 200 km (120 mi).
First Launch: 1994.02.08.
Last Launch: 2011.07.26.
Number: 21 .

More... - Chronology...


Associated Countries
Associated Spacecraft
  • SJ Chinese communications technology satellite. First launch 1979.07.28. SJ (Shijian) series were Chinese scientific research, technological experiment and military operational satellites of a variety of configurations. More...
  • DFH-3 Chinese military communications satellite using indigenous technologies. Operational, first launch 1994.02.08. More...
  • FY-2 Chinese earth weather satellite. 5 launches, 1997.06.10 (FY-2A) to 2008.12.23 (FY-2C). The Feng Yun 2 spin-stabilized geosynchronous meteorological spacecraft was slightly more massive than China's DFH-2 communications satellite. More...
  • FH-1 Chinese military communications satellite. 2 launches, 2000.01.25 (Zhongxing-22) to 2006.09.12 (Zhongxing 22A). In May 1999 Aviation Week reported that a new communication satellite, Fenghuo-1 (FH-1), would be launched by a CZ-3A by the end of 1999. More...
  • Beidou Chinese navigation satellite. Operational, first launch 2000.10.30. Beidou ('Big Dipper') was the satellite component of an independent Chinese satellite navigation and positioning system. More...
  • Chang'e Chinese unmanned lunar orbiter. Two launched, 2007.10.24 and 2010.10.01. Originally announced in March 2003 with the first spacecraft to reach the moon by the end of 2005. More...

Associated Engines
  • YF-20B Beijing Wan Yuan N2O4/UDMH rocket engine. 816.3 kN. In production. Isp=289s. Boosted CZ-2C, CZ-2D, CZ-2E, CZ-2E(A), CZ-3A, CZ-3B, CZ-3C, CZ-4A. First flight 1988. More...
  • YF-25/23 Beijing Wan Yuan N2O4/UDMH rocket engine. 831 kN. In production. Cluster of YF-25 and 4 x YF-23 verniers. Isp=295s. First stage engine for CZ-2D, CZ-2E, CZ-2E(A), CZ-3A, CZ-3B, CZ-3C, CZ-4A. First flight 1988. More...
  • YF-75 Beijing Wan Yuan lox/lh2 rocket engine. 78.5 kN. In development. Gas-generator turbopump. Gimballed engine. Isp=440s. First flight 1994. More...

See also
  • CZ China's first ICBM, the DF-5, first flew in 1971. It was a two-stage storable-propellant rocket in the same class as the American Titan, the Russian R-36, or the European Ariane. The DF-5 spawned a long series of Long March ("Chang Zheng") CZ-2, CZ-3, and CZ-4 launch vehicles. These used cryogenic engines for upper stages and liquid-propellant strap-on motors to create a family of 12 Long-March rocket configurations capable of placing up to 9,200 kg into orbit. In 2000 China began development of a new generation of expendable launch vehicles using non-toxic, high-performance propellants with supposedly lower operating costs. However these encountered development delays, and it seemed the reliable Long March series of rockets would continue in operational use for nearly fifty years before being replaced. More...

Associated Manufacturers and Agencies
  • CALT Chinese manufacturer of rockets, spacecraft, and rocket engines. China Academy of Launch Vehicle Technology, Beijing, China. More...

Associated Programs
  • Chinastar Zhongxing and Zhongwei (Chinastar) communications satellites were orbited by China Orient Telecommunications Satellite Company, part of the Chinese telecommunications ministry. A combination of indigenous and foreign satellites are used. Zhongxing 1 to 4 were apparently some of the earlier DFH-2 and DFH-3 satellites (although more than four reached geosynchronous orbit). Zhongxing 5 was the former Spacenet 1. More...

Associated Launch Sites
  • Xichang China's launch site for geosynchronous orbit launches. Xichang Satellite Launch Centre is situated in Xichang, Sichuan Province, south-western China. The launch pad is at 102.0 degrees East and 28.2 degrees North. The head office of the launch centre is located in Xichang City, about 65 kilometers away. Xichang Airport is 50 km away. A dedicated railway and highway lead directly to the launch site. More...

Associated Stages
  • CZ H-18 Lox/LH2 propellant rocket stage. Loaded/empty mass 21,000/2,800 kg. Thrust 156.00 kN. Vacuum specific impulse 440 seconds. More...
  • CZ-3A-1 N2O4/UDMH propellant rocket stage. Loaded/empty mass 179,000/9,000 kg. Thrust 3,265.14 kN. Vacuum specific impulse 289 seconds. More...
  • CZ-3A-2 N2O4/UDMH propellant rocket stage. Loaded/empty mass 33,600/4,000 kg. Thrust 831.01 kN. Vacuum specific impulse 297 seconds. More...

CZ-3A Chronology


1994 February 8 - . 08:34 GMT - . Launch Site: Xichang. Launch Complex: Xichang LC2. LV Family: CZ. Launch Vehicle: CZ-3A. LV Configuration: Chang Zheng 3A CZ3A-1 (32).
  • SJ-4 - . Payload: Shi Jian 4. Mass: 400 kg (880 lb). Nation: China. Agency: CASC. Class: Earth. Type: Magnetosphere satellite. Spacecraft: SJ. USAF Sat Cat: 22996 . COSPAR: 1994-010A. Apogee: 26,837 km (16,675 mi). Perigee: 195 km (121 mi). Inclination: 28.7000 deg. Period: 465.40 min. Summary: Particles and fields research. .
  • KF-1 - . Payload: Kua Fu 1 / DFH-3 mockup. Mass: 2,200 kg (4,800 lb). Nation: China. Agency: CASC. Program: Chinastar. Class: Technology. Type: Navigation technology satellite. Spacecraft: DFH-3. Decay Date: 2002-02-07 . USAF Sat Cat: 23009 . COSPAR: 1994-010B. Apogee: 36,046 km (22,397 mi). Perigee: 178 km (110 mi). Inclination: 28.5000 deg. Period: 635.69 min. Summary: Mass model of DFH-3 satellite..

1994 November 29 - . 17:02 GMT - . Launch Site: Xichang. Launch Complex: Xichang LC2. LV Family: CZ. Launch Vehicle: CZ-3A. LV Configuration: Chang Zheng 3A CZ3A-2 (36).
  • Zhongxing-5 - . Mass: 2,230 kg (4,910 lb). Nation: China. Agency: Chinasat. Program: Chinasat. Class: Communications. Type: Military communications satellite. Spacecraft: DFH-3. Completed Operations Date: 1994-12-01 . USAF Sat Cat: 23415 . COSPAR: 1994-080A. Apogee: 35,957 km (22,342 mi). Perigee: 35,225 km (21,887 mi). Inclination: 0.1500 deg. Period: 1,426.15 min. The first test launch of a DFH-3 by a CZ-3A launch vehicle was successful in attaining the proper transfer orbit, but during the subsequent manoeuvres to achieve geostationary orbit, the DFH-3 failed due to a malfunction of the satellite on-board propulsion system. The satellite was positioned at 132 deg E prior to the failure. As of 4 September 2001 located at 113.80 deg E drifting at 2.499 deg E per day. As of 2007 Mar 2 located at 90.02E drifting at 2.513E degrees per day.

1997 May 11 - . 16:17 GMT - . Launch Site: Xichang. Launch Complex: Xichang LC2. LV Family: CZ. Launch Vehicle: CZ-3A. LV Configuration: Chang Zheng 3A CZ3A-3 (44).
  • Zhongxing-6 - . Mass: 2,200 kg (4,800 lb). Nation: China. Agency: Chinasat. Program: Chinasat. Class: Communications. Type: Military communications satellite. Spacecraft: DFH-3. USAF Sat Cat: 24798 . COSPAR: 1997-021A. Apogee: 35,797 km (22,243 mi). Perigee: 35,776 km (22,230 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. The telecommunications satellite, the most sophisticated and complex satellite ever built in China, was equipped with 24 transponders used for television, digital transmission and other telecommunications services. It had a design life eight years. After over one year of tests the satellite was delivered to the end user, China Telecommunications Broadcast Satellite Corporation (Chinasat) on August 12 1998. A long term operation contract for the redesignated Chinasat-6 was signed by the China Academy of Space Technology (CAST), Chinasat and the Xian Satellite Control Center. Chinasat-6 operated in geosynchronous orbit at 125 deg E in 1997-1999. As of 5 September 2001 located at 124.99 deg E drifting at 0.011 deg W per day. As of 2007 Mar 6 located at 123.93E drifting at 0.104W degrees per day.

2000 January 25 - . 16:45 GMT - . Launch Site: Xichang. Launch Complex: Xichang LC2. LV Family: CZ. Launch Vehicle: CZ-3A. LV Configuration: Chang Zheng 3A CZ3A-4 (60).
  • Zhongxing-22 - . Mass: 2,300 kg (5,000 lb). Nation: China. Agency: SISE. Manufacturer: CAST. Program: Chinasat. Class: Communications. Type: Military communications satellite. Spacecraft: FH-1. USAF Sat Cat: 26058 . COSPAR: 2000-003A. Apogee: 35,794 km (22,241 mi). Perigee: 35,781 km (22,233 mi). Inclination: 3.2000 deg. Period: 1,436.10 min. First Chinese military communications satellite. Perhaps an update of the DFH-3 design. Stationed at 98 deg E. The first in a planned constellation of satellites to be launched through 2010. Positioned in geosynchronous orbit at 98 deg E in 2000. As of 5 September 2001 located at 98.03 deg E drifting at 0.005 deg W per day. As of 2007 Mar 10 located at 97.95E drifting at 0.009W degrees per day.

2000 October 30 - . Launch Site: Xichang. Launch Complex: Xichang LC2. LV Family: CZ. Launch Vehicle: CZ-3A. LV Configuration: Chang Zheng 3A CZ3A-5 (63).
  • Beidou 1A - . Mass: 2,200 kg (4,800 lb). Nation: China. Agency: CNSA. Manufacturer: CAST. Class: Navigation. Type: Navigation satellite. Spacecraft: Beidou. USAF Sat Cat: 26599 . COSPAR: 2000-069A. Apogee: 35,805 km (22,248 mi). Perigee: 35,774 km (22,228 mi). Inclination: 2.6000 deg. Period: 1,436.20 min. Beidou was China's first experimental navigation technology satellite, developed by CAST/Beijing. The satellite was placed in an initial 195 x 41889 km x 25.0 deg orbit geostationary transfer orbit before entering its final geosynchornous orbit at around 0500 GMT on November 6. Stationed at 140 deg E, still maintaining its position within 0.1 deg as of 2007.

2000 December 20 - . Launch Site: Xichang. Launch Complex: Xichang LC2. LV Family: CZ. Launch Vehicle: CZ-3A. LV Configuration: Chang Zheng 3A CZ3A-6 (64).
  • Beidou 1B - . Mass: 2,200 kg (4,800 lb). Nation: China. Agency: CNSA. Manufacturer: CAST. Class: Navigation. Type: Navigation satellite. Spacecraft: Beidou. USAF Sat Cat: 26643 . COSPAR: 2000-082A. Apogee: 35,821 km (22,258 mi). Perigee: 35,753 km (22,215 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Second Beidou geosynchronous navigation satellite. The CZ-3A rocket's third stage put Beidou in geostationary transfer orbit at around 1642 GMT. The Beidou satellite was based on the DFH-3 comsat and had a mass of around 2200 kg including its FY-25 solid apogee motor. On December 25 Beidou was in a 190 x 41870 km x 25.0 deg transfer orbit. The launch of this second Beidou completed the prototype two-satellite navigational system which was to provide positional information for highway, railway and marine transportation. Positioned in geosynchronous orbit at 80 deg E, still maintaining its position within 0.1 deg as of 2007.

2003 May 24 - . Launch Site: Xichang. Launch Complex: Xichang LC2. LV Family: CZ. Launch Vehicle: CZ-3A. LV Configuration: Chang Zheng 3A CZ3A-7 (70).
  • Beidou 2A - . Mass: 2,200 kg (4,800 lb). Nation: China. Agency: SISE. Class: Navigation. Type: Navigation satellite. Spacecraft: Beidou. USAF Sat Cat: 27813 . COSPAR: 2003-021A. Apogee: 35,836 km (22,267 mi). Perigee: 35,760 km (22,220 mi). Inclination: 0.3000 deg. Period: 1,436.70 min. Summary: Navigation technology satellite, joined Beidou 1A and 1B launched in December 2000. This third satellite was considered a back-up element, Positioned at 110 deg E, still maintaining its position within 0.1 deg as of 2007..

2003 November 14 - . 16:01 GMT - . Launch Site: Xichang. Launch Complex: Xichang LC2. LV Family: CZ. Launch Vehicle: CZ-3A. LV Configuration: Chang Zheng 3A CZ3A-8 (74).
  • Zhongxing 20 - . Payload: Feng Huo 2. Mass: 2,300 kg (5,000 lb). Nation: China. Agency: SISE. Program: Chinasat. Class: Communications. Type: Military communications satellite. Spacecraft: DFH-3. USAF Sat Cat: 28082 . COSPAR: 2003-052A. Apogee: 35,811 km (22,251 mi). Perigee: 35,762 km (22,221 mi). Inclination: 0.0000 deg. Period: 1,436.10 min. Summary: Military communications satellite. As of 2007 Mar 11 located at 103.00E drifting at 0.010W degrees per day..

2004 October 19 - . 01:20 GMT - . Launch Site: Xichang. Launch Complex: Xichang LC2. LV Family: CZ. Launch Vehicle: CZ-3A. LV Configuration: Chang Zheng 3A CZ3A-9 (81).
  • FY-2C - . Mass: 1,380 kg (3,040 lb). Nation: China. Agency: SISE. Class: Earth. Type: Weather satellite. Spacecraft: FY-2. USAF Sat Cat: 28451 . COSPAR: 2004-042A. Apogee: 35,791 km (22,239 mi). Perigee: 35,786 km (22,236 mi). Inclination: 0.7000 deg. Period: 1,436.20 min. Third Fengyun-2 weather satellite. The apogee motor placed the satellite into a drifting geostationary orbit. As of the date of the launch, four FY-2 satellites had been launched. FY-2 01 was destroyed in a ground fire 1994. FY-2 02 / FY-2A was placed in reserve in May 2000 86 deg E; and FY-2 03 / FY-2B was operational at 123 deg E. As of 2007 Mar 11 located at 104.44E drifting at 0.026W degrees per day.

2006 September 12 - . 16:02 GMT - . Launch Site: Xichang. Launch Complex: Xichang LC2. LV Family: CZ. Launch Vehicle: CZ-3A. LV Configuration: Chang Zheng 3A CZ3A-10 (91).
  • Zhongxing 22A - . Mass: 2,300 kg (5,000 lb). Nation: China. Agency: CTBSC. Manufacturer: CAST. Program: Chinasat. Class: Communications. Type: Military communications satellite. Spacecraft: FH-1. USAF Sat Cat: 29398 . COSPAR: 2006-038A. Apogee: 35,817 km (22,255 mi). Perigee: 35,757 km (22,218 mi). Inclination: 0.4000 deg. Period: 1,000.00 min. Summary: Military communications satellite, launched to replace Zhongxing 22 in geosynchronous orbit at 98.0 E. As of 2007 Mar 10 located at 98.10E drifting at 0.006W degrees per day..

2006 December 8 - . 00:53 GMT - . Launch Site: Xichang. Launch Complex: Xichang LC2. LV Family: CZ. Launch Vehicle: CZ-3A. LV Configuration: Chang Zheng 3A CZ3A-11 (94).
  • FY 2D - . Payload: Fengyun 2D. Nation: China. Agency: SISE. Class: Earth. Type: Weather satellite. Spacecraft: FY-2. Decay Date: 2006-12-09 . USAF Sat Cat: 29641 . COSPAR: 2006-053B. Apogee: 35,789 km (22,238 mi). Perigee: 35,781 km (22,233 mi). Inclination: 2.6000 deg. Period: 1,436.00 min. Fourth Wind and Cloud 2 geostationary weather satellite with an infrared radiometer as its primary instrument. The booster placed the spacecraft in a 226 x 36221 km x 24.9 deg geosynchronous transfer orbit. The FG-36 solid apogee motor aboard the satellite burned at 18:07 GMT and placed the FY-2D into an initial 35786 x 36478 km x 2.6 deg geosynchronous drift orbit.

2007 February 2 - . 16:28 GMT - . Launch Site: Xichang. Launch Complex: Xichang LC2. LV Family: CZ. Launch Vehicle: CZ-3A. LV Configuration: Chang Zheng 3A CZ3A-12 (95).
  • Beidou G1 - . Payload: Beiduou 1D. Mass: 2,200 kg (4,800 lb). Nation: China. Agency: SISE. Class: Navigation. Type: Navigation satellite. Spacecraft: Beidou. USAF Sat Cat: 30323 . COSPAR: 2007-003A. Apogee: 36,248 km (22,523 mi). Perigee: 35,326 km (21,950 mi). Inclination: 6.2000 deg. Period: 1,436.10 min. Summary: Fourth Beidou satellite. It did not reach geostationary orbit until early April following deployment problems with its solar panels and reports of US detection of a debris cloud at the time of the original expected apogee firing..

2007 April 12 - . 20:11 GMT - . Launch Site: Xichang. LV Family: CZ. Launch Vehicle: CZ-3A. LV Configuration: Chang Zheng 3A CZ3A-13 (97).
  • Beidou M1 - . Payload: Beidou M1. Mass: 2,200 kg (4,800 lb). Nation: China. Agency: CASC. Manufacturer: CAST. Class: Navigation. Type: Navigation satellite. Spacecraft: Beidou. USAF Sat Cat: 31115 . COSPAR: 2007-011A. Apogee: 21,544 km (13,386 mi). Perigee: 21,519 km (13,371 mi). Inclination: 55.3000 deg. Period: 773.40 min. Summary: The fifth Beidou satellite, but the first in the 12-hour, 55 deg inclination MEO portion of the constellation. All previous launches had been to populate the geostationary portion of the system..

2007 May 31 - . 16:08 GMT - . Launch Site: Xichang. LV Family: CZ. Launch Vehicle: CZ-3A. LV Configuration: Chang Zheng 3A CZ3A-14 (100).
  • Sinosat 3 - . Mass: 2,200 kg (4,800 lb). Nation: China. Agency: SinoSatCom. Manufacturer: CAST. Program: Sinosat. Class: Communications. Type: Civilian communications satellite. Spacecraft: DFH-3. USAF Sat Cat: 31577 . COSPAR: 2007-021A. Apogee: 35,793 km (22,240 mi). Perigee: 35,779 km (22,231 mi). Inclination: 0.3000 deg. Period: 1,436.10 min. Summary: Chinese C-band domestic communications satellite, launched as part of a campaign to prepare for the 2008 Olympic Games, and to compensate for failure of the first DFH-4 satellite..

2007 October 24 - . 10:05 GMT - . Launch Site: Xichang. Launch Complex: Xichang LC1. Launch Pad: LC1?. LV Family: CZ. Launch Vehicle: CZ-3A. LV Configuration: Chang Zheng 3A CZ3A-15 (103).
  • Chang'e 1 - . Mass: 2,300 kg (5,000 lb). Nation: China. Agency: SISE. Class: Moon. Type: Lunar probe. Spacecraft: Chang'e. USAF Sat Cat: 32273 . COSPAR: 2007-051B. Apogee: 50,182 km (31,181 mi). Perigee: 147 km (91 mi). Inclination: 30.8000 deg. Period: 929.20 min. China's first unmanned lunar/planetary probe. The initial orbit of 221 x 50,602 km x 31.0 deg was raised to a translunar trajectory by 31 October in a serious of spacecraft engine burns. The spacecraft entered a 210 km x 8600 km lunar orbit at 03:37 GMT on 5 November.

2008 December 23 - . 00:54 GMT - . Launch Site: Xichang. LV Family: CZ. Launch Vehicle: CZ-3A.
  • FY-2E - . Nation: China. Agency: SISE. Class: Earth. Type: Weather satellite. Spacecraft: FY-2. USAF Sat Cat: 33463 . COSPAR: 2008-066A. Apogee: 35,806 km (22,248 mi). Perigee: 35,771 km (22,227 mi). Inclination: 2.6000 deg. Period: 1,436.20 min. Summary: Member of China's geosynchronous weather satellite constellation..

2010 July 31 - . 21:30 GMT - . Launch Site: Xichang. LV Family: CZ. Launch Vehicle: CZ-3A.
  • Beidou IGS 1 - . Payload: Beidou DW5. Nation: China. Agency: SISE. Class: Navigation. Type: Navigation satellite. Spacecraft: Beidou. USAF Sat Cat: 36828 . COSPAR: 2010-036A. Apogee: 35,901 km (22,307 mi). Perigee: 35,680 km (22,170 mi). Inclination: 55.0000 deg. Period: 1,436.30 min. Summary: Fifth Beidou navigation satellite, placed in an inclined geosynchronous orbit..

2010 November 24 - . 16:09 GMT - . Launch Site: Xichang. LV Family: CZ. Launch Vehicle: CZ-3A.
  • Chinasat 20A - . Payload: Zhongxing 20A. Nation: China. Program: Chinasat. Class: Communications. Type: Communications satellite. Spacecraft: DFH-3. USAF Sat Cat: 37234 . COSPAR: 2010-064A. Apogee: 35,795 km (22,241 mi). Perigee: 35,778 km (22,231 mi). Inclination: 0.4000 deg. Period: 1,436.10 min.

2010 December 17 - . 20:20 GMT - . Launch Site: Xichang. LV Family: CZ. Launch Vehicle: CZ-3A.
  • Beidou IGS 2 - . Payload: Beidou DW7. Nation: China. Class: Navigation. Type: Navigation satellite. Spacecraft: Beidou. USAF Sat Cat: 37256 . COSPAR: 2010-068A. Apogee: 35,857 km (22,280 mi). Perigee: 35,722 km (22,196 mi). Inclination: 55.2000 deg. Period: 1,436.20 min. Summary: Second Beidou launched to inclined synchronous orbit..

2011 April 9 - . 20:47 GMT - . Launch Site: Xichang. LV Family: CZ. Launch Vehicle: CZ-3A.
  • Beidou IGS 3 - . Payload: Beidou DW8. Nation: China. Class: Navigation. Type: Navigation satellite. Spacecraft: Beidou. USAF Sat Cat: 37384 . COSPAR: 2011-013A. Apogee: 35,874 km (22,291 mi). Perigee: 35,696 km (22,180 mi). Inclination: 55.3000 deg. Period: 1,436.00 min. Summary: Beidou-2 second generation navigation satellite..

2011 July 26 - . 21:44 GMT - . Launch Site: Xichang. LV Family: CZ. Launch Vehicle: CZ-3A.
  • Beidou IGS 4 - . Nation: China. Class: Navigation. Type: Navigation satellite. Spacecraft: Beidou. USAF Sat Cat: 37763 . COSPAR: 2011-038A. Apogee: 35,864 km (22,284 mi). Perigee: 35,698 km (22,181 mi). Inclination: 55.2000 deg. Period: 1,435.80 min.

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