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Chang Zheng 2C-III/SD
Part of CZ Family
CZ-2
CZ-2
On April 28, 1993, the Chinese Great Wall Industrial Corporation and Motorola signed a launch services contract for multiple launch of Iridium communications satellites using CZ-2C/SD launch vehicles. The main differences between the CZ-2C and the CZ-2C/SD were: a modified fairing with a diameter of 3.35m; a newly developed Smart Dispenser; improved second stage fuel and oxidizer tanks; and second stage engines with higher expansion ratio nozzles.

AKA: Chang Zheng-2C/SD;CZ-2C/CTS;CZ-2C/SD;Long March 2C. Status: Active. First Launch: 1997-09-01. Last Launch: 1999-06-11. Number: 7 . Payload: 2,800 kg (6,100 lb). Thrust: 2,960.00 kN (665,430 lbf). Gross mass: 213,000 kg (469,000 lb). Height: 40.40 m (132.50 ft). Diameter: 3.35 m (10.99 ft). Apogee: 1,000 km (600 mi).

The Smart Dispenser included a solid rocket kick motor for insertion of the Iridium satellites into a 780 km circular orbit. Each CZ-2C/SD had the capacity of delivering two Iridium system satellites. A successful CZ-2C/SD demonstration launch was conducted from Taiyuan on September 1, 1997. The first three deployment launches for the Iridium program were successfully conducted on December 8, 1997, March 26, 1998 and May 2, 1998. Another variant of the vehicle was announced in May 2001 when it was announced that the DoubleStar and KOMPSAT-2 satellites would be launched by a CZ-2C with a CTS upper stage. This was apparently a further development of the SD and was a three-axis stabilised upper stage consisting of a Spacecraft Adapter and an Orbital Maneuver System. It was capable of putting 1400 kg of payload into a 900 km sun-synchronous orbit.

LEO Payload: 2,800 kg (6,100 lb). Payload: 1,400 kg (3,000 lb) to a 780 km 86 deg orbit. Launch Price $: 25.000 million in 1999 dollars.

Stage Data - CZ-2C/SD

  • Stage 1. 1 x CZ-2C-1. Gross Mass: 153,000 kg (337,000 lb). Empty Mass: 10,000 kg (22,000 lb). Thrust (vac): 3,295.000 kN (740,745 lbf). Isp: 291 sec. Burn time: 122 sec. Isp(sl): 261 sec. Diameter: 3.35 m (10.99 ft). Span: 6.00 m (19.60 ft). Length: 20.52 m (67.32 ft). Propellants: N2O4/UDMH. No Engines: 4. Engine: YF-20A. Other designations: L-140. Status: In Production.
  • Stage 2. 1 x CZ-2C/SD-2. Gross Mass: 55,000 kg (121,000 lb). Empty Mass: 5,000 kg (11,000 lb). Thrust (vac): 761.900 kN (171,282 lbf). Isp: 298 sec. Burn time: 190 sec. Isp(sl): 270 sec. Diameter: 3.35 m (10.99 ft). Span: 3.35 m (10.99 ft). Length: 10.00 m (32.00 ft). Propellants: N2O4/UDMH. No Engines: 1. Engine: YF-22A/23A. Other designations: L-35. Status: In Production. Comments: Stretched version of CZ-2C second stage. Empty mass estimated.


More at: Chang Zheng 2C-III/SD.

Family: orbital launch vehicle. Country: China. Spacecraft: LM 700. Projects: Iridium. Launch Sites: Taiyuan, Taiyuan LC1. Stages: CZ-2C/SD-2, CZ-2C-1, SpaB-54. Agency: CALT.

1997 September 1 - . 14:00 GMT - . Launch Site: Taiyuan. Launch Complex: Taiyuan LC1. LV Family: CZ. Launch Vehicle: Chang Zheng 2C-III/SD.
  • Iridium - . Payload: Iridium s/n MFS 1. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 24925 . COSPAR: 1997-048A. Apogee: 633 km (393 mi). Perigee: 620 km (380 mi). Inclination: 86.3400 deg. Period: 97.25 min. Plane 5. Ascending node 271.9 degrees. Dummy satellite..
  • Iridium - . Payload: Iridium s/n MFS 2. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 24926 . COSPAR: 1997-048B. Apogee: 634 km (393 mi). Perigee: 620 km (380 mi). Inclination: 86.3400 deg. Period: 97.26 min. Plane 5. Ascending node 272 degrees. Dummy satellite..

1997 December 8 - . 07:16 GMT - . Launch Site: Taiyuan. Launch Complex: Taiyuan LC1. LV Family: CZ. Launch Vehicle: Chang Zheng 2C-III/SD.
  • Iridium 42 - . Payload: Iridium s/n SV042. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25077 . COSPAR: 1997-077A. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.4000 deg. Period: 100.40 min. Plane 6. Ascending node 325.8 degrees..
  • Iridium 44 - . Payload: Iridium s/n SV044. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25078 . COSPAR: 1997-077B. Apogee: 780 km (480 mi). Perigee: 774 km (480 mi). Inclination: 86.3900 deg. Period: 100.40 min. Plane 6. Ascending node 325.8 degrees. Not in service..

1998 March 25 - . 17:01 GMT - . Launch Site: Taiyuan. Launch Complex: Taiyuan LC1. LV Family: CZ. Launch Vehicle: Chang Zheng 2C-III/SD.
  • Iridium 51 - . Payload: Iridium s/n SV051. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25262 . COSPAR: 1998-018A. Apogee: 756 km (469 mi). Perigee: 751 km (466 mi). Inclination: 86.4500 deg. Period: 99.90 min. Plane 4. Ascending node 262.5 degrees. Not in service..
  • Iridium 61 - . Payload: Iridium s/n SV061. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25263 . COSPAR: 1998-018B. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.4000 deg. Period: 100.40 min. Plane 4. Ascending node 262.5 degrees..

1998 May 2 - . 09:16 GMT - . Launch Site: Taiyuan. Launch Complex: Taiyuan LC1. LV Family: CZ. Launch Vehicle: Chang Zheng 2C-III/SD.
  • Iridium 69 - . Payload: Iridium s/n SV069. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25319 . COSPAR: 1998-026A. Apogee: 783 km (486 mi). Perigee: 777 km (482 mi). Inclination: 86.4000 deg. Period: 100.46 min. Plane 2. Ascending node 199.4 degrees. Not in service..
  • Iridium 71 - . Payload: Iridium s/n SV071. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25320 . COSPAR: 1998-026B. Apogee: 778 km (483 mi). Perigee: 775 km (481 mi). Inclination: 86.4000 deg. Period: 100.40 min. Plane 2. Ascending node 199.3 degrees. Not in service..

1998 August 19 - . 23:01 GMT - . Launch Site: Taiyuan. Launch Complex: Taiyuan LC1. LV Family: CZ. Launch Vehicle: Chang Zheng 2C-III/SD.
  • Iridium 3 - . Payload: Iridium s/n SV078. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25431 . COSPAR: 1998-048A. Apogee: 779 km (484 mi). Perigee: 776 km (482 mi). Inclination: 86.4000 deg. Period: 100.40 min. Plane 2. Ascending node 199.4 degrees..
  • Iridium 76 - . Payload: Iridium s/n SV076. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25432 . COSPAR: 1998-048B. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.4000 deg. Period: 100.40 min. Plane 2. Ascending node 199.4 degrees..

1998 December 19 - . 11:39 GMT - . Launch Site: Taiyuan. Launch Complex: Taiyuan LC1. LV Family: CZ. Launch Vehicle: Chang Zheng 2C-III/SD.
  • Iridium 11 - . Payload: Iridium s/n SV088?. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25577 . COSPAR: 1998-074A. Apogee: 780 km (480 mi). Perigee: 776 km (482 mi). Inclination: 86.4000 deg. Period: 100.40 min. Plane 2. Ascending node 197 degrees. Parking orbit..
  • Iridium 20 - . Payload: Iridium s/n SV089?. Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25578 . COSPAR: 1998-074B. Apogee: 710 km (440 mi). Perigee: 709 km (440 mi). Inclination: 86.5000 deg. Period: 99.00 min. Plane 2. Ascending node 197.2 degrees. Parking orbit..

1999 June 11 - . 17:15 GMT - . Launch Site: Taiyuan. Launch Complex: Taiyuan LC1. LV Family: CZ. Launch Vehicle: Chang Zheng 2C-III/SD.
  • Iridium 14A - . Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25777 . COSPAR: 1999-032A. Apogee: 711 km (441 mi). Perigee: 708 km (439 mi). Inclination: 86.5000 deg. Period: 99.00 min.
  • Iridium 21A - . Mass: 689 kg (1,518 lb). Nation: USA. Agency: Iridium. Manufacturer: Lockheed, Motorola. Program: Iridium. Class: Communications. Type: Civilian communications satellite. Spacecraft: LM 700. USAF Sat Cat: 25778 . COSPAR: 1999-032B. Apogee: 711 km (441 mi). Perigee: 708 km (439 mi). Inclination: 86.5000 deg. Period: 99.00 min.


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