SS-520

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Engine Model: SS-520. Designer: ISAS. Gross Mass: 400 kg (880 lb). Empty Mass: 111 kg (244 lb). Propellants: Solid. Diameter: 0.52 m (1.70 ft). Length: 1.70 m (5.50 ft). Country: Japan. SS-520 used on Rocket Stages Used on stage: SS-520. on launch vehicle: S. 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.