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Atlas II
Part of Atlas
Atlas 2
Atlas 2
Atlas 2 - AC-102 - COSPAR 1991-083
American orbital launch vehicle. The Atlas II booster was 2.7-meters longer than an Atlas I and included uprated Rocketdyne MA-5A engines. The Atlas I vernier engines were replaced with a hydrazine roll control system. The Centaur stage was stretched 0.9-meters compared to the Centaur I stage. Fixed foam insulation replaced Atlas I's jettisonable insulation panels. The original Atlas II model was developed to support the United States Air Force Medium Launch Vehicle II program. Its Centaur used RL10A-3-3A engines operating at an increased mixture ratio. The first Atlas II flew on 7 December 1991, successfully delivering AC-102/Eutelsat II F3 to orbit.

Status: Retired 1998. First Launch: 1991-12-07. Last Launch: 1998-03-16. Number: 10 . Payload: 6,580 kg (14,500 lb). Thrust: 2,110.60 kN (474,482 lbf). Gross mass: 187,600 kg (413,500 lb). Height: 47.50 m (155.80 ft). Diameter: 3.05 m (10.00 ft). Apogee: 185 km (114 mi).

LEO Payload: 6,580 kg (14,500 lb) to a 185 km orbit at 28.50 degrees. Payload: 2,810 kg (6,190 lb) to a GTO. Launch Price $: 85.000 million in 1994 dollars.

Stage Data - Atlas II


More at: Atlas II.

Family: orbital launch vehicle. Country: USA. Engines: R-4D, RS-56-OBA, RS-56-OSA, RL-10A-3A. Spacecraft: UHF, Spacebus 100, DSCS III, HS 601. Projects: DSCS, Eutelsat. Launch Sites: Cape Canaveral, Cape Canaveral LC36A, Cape Canaveral LC36B. Stages: IABS, Atlas MA-5A, Atlas II stage, Centaur II. Agency: Convair.
Photo Gallery

Atlas IIIAtlas III
Atlas II Variants - Atlas IIA and IIAS
Credit: © Mark Wade


Atlas 2Atlas 2
Credit: © Mark Wade



1991 December 7 - . 22:47 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36B. LV Family: Atlas. Launch Vehicle: Atlas II.
1992 February 11 - . 00:41 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36A. LV Family: Atlas. Launch Vehicle: Atlas II.
1992 July 2 - . 21:54 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36A. LV Family: Atlas. Launch Vehicle: Atlas II.
1993 July 19 - . 22:04 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36A. LV Family: Atlas. Launch Vehicle: Atlas II.
1993 November 28 - . 23:40 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36A. LV Family: Atlas. Launch Vehicle: Atlas II.
1995 January 29 - . 01:25 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36A. LV Family: Atlas. Launch Vehicle: Atlas II.
1995 May 31 - . 15:27 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36A. LV Family: Atlas. Launch Vehicle: Atlas II.
1995 October 22 - . 08:00 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36A. LV Family: Atlas. Launch Vehicle: Atlas II.
1996 July 25 - . 12:42 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36A. LV Family: Atlas. Launch Vehicle: Atlas II.
1998 March 16 - . 21:32 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC36A. Launch Pad: SLC36A. LV Family: Atlas. Launch Vehicle: Atlas II.

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