Atlas G - Atlas G - COSPAR 1989-077 14,422 bytes. 126 x 448 pixels.

Atlas-Centaur launch vehicles using stretched, uprated Atlas core.

Launches: 7. Failures: 2. Success Rate: 71.43% pct. First Launch Date: 09 June 1984. Last Launch Date: 25 September 1989. LEO Payload: 3,630 kg. to: 185 km Orbit. Payload: 2,255 kg. to a: Geosynchronous transfer trajectory. Liftoff Thrust: 197,750 kgf. Total Mass: 166,140 kg. Core Diameter: 3.1 m. Total Length: 38.0 m. Launch Price $: 75.00 million. in 1994 price dollars. Flyaway Unit Cost $: 70.30 million. in 1985 unit dollars.

• Stage Number: 0. 1 x Atlas MA-5 Gross Mass: 3,646 kg. Empty Mass: 3,646 kg. Thrust (vac): 193,340 kgf. Isp: 294 sec. Burn time: 174 sec. Isp(sl): 259 sec. Diameter: 4.9 m. Span: 4.9 m. Length: 0.0 m. Propellants: Lox/Kerosene No Engines: 2. LR-89-7

• Stage Number: 1. 1 x Atlas G/H/I Gross Mass: 142,536 kg. Empty Mass: 4,236 kg. Thrust (vac): 39,400 kgf. Isp: 316 sec. Burn time: 266 sec. Isp(sl): 220 sec. Diameter: 3.1 m. Span: 4.9 m. Length: 22.2 m. Propellants: Lox/Kerosene No Engines: 1. LR-105-7

• Stage Number: 2. 1 x Centaur I Gross Mass: 15,600 kg. Empty Mass: 1,700 kg. Thrust (vac): 14,970 kgf. Isp: 444 sec. Burn time: 402 sec. Isp(sl): 0 sec. Diameter: 3.1 m. Span: 3.1 m. Length: 9.2 m. Propellants: Lox/LH2 No Engines: 2. RL-10A-3A

• Intelsat 5 F-9 Spacecraft: Intelsat 5. Mass: 1,091 kg.

  Failure of Centaur upper stage left stranded in useless orbit. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Launch vehicle was to have put payload into geosynchronous transfer orbit

• Intelsat 5A F-10 Spacecraft: Intelsat 5A. Mass: 2,013 kg.

• Intelsat 5A F-11 Spacecraft: Intelsat 5A. Mass: 1,098 kg.

• Intelsat 5A F-12 Spacecraft: Intelsat 5A. Mass: 1,096 kg.

  Telephone communications; 31 deg E. Launch vehicle put payload into geosynchronous transfer orbit

• USA 20 Spacecraft: Fltsatcom. Payload: Fltsatcom 7. Mass: 2,310 kg.

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  Atlas 2 Credit: © Mark Wade. 2,539 bytes. 76 x 568 pixels.

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  Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Launch vehicle put payload into geosynchronous transfer orbit

• Fltsatcom 6 Spacecraft: Fltsatcom. Payload: Fltsatcom 6. Mass: 2,300 kg.

• USA 46 Spacecraft: Fltsatcom. Payload: Fltsatcom 8. Mass: 2,310 kg.

  Last in series of 8. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Launch vehicle put payload into geosynchronous transfer orbit

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  Atlas Centaur - Centaur Launch Vehicle Credit: © Mark Wade. 1,436 bytes. 74 x 468 pixels.

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• 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.
• 278 - Lockheed Martin Coporation, Atlas Family Fact Sheets, September 1998.. HTML when accessed: http://www.lmco.com/ILS/txtmain/ils_lsysinfo.htm