X-260

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Model: STARS-2. Gross Mass: 4,900 kg (10,800 lb). Empty Mass: 815 kg (1,796 lb). Propellants: Solid. Diameter: 1.37 m (4.49 ft). Length: 2.30 m (7.50 ft). Country: USA. No Engines: 1. Motor: X-260. Status: Active. First Flight: 1962. Last Flight: 2007. No Launched: 282. Used as: PolarisA3.St2. Release conditions: Lockheed/ABL. Used on Launch Vehicles: Polaris. Contact us with any corrections, additions, or comments. Conditions for use of drawings, pictures, or other materials from this site.. To contact astronauts or cosmonauts. © Mark Wade, 1997 - 2008 except where otherwise noted.