Gross Mass: 10,841 kg.
Empty Mass: 1,134 kg. Thrust (vac): 18,508 kgf. Isp: 296 sec. Burn time: 152 sec. Propellants: SolidIsp(sl): 220 sec. Diameter: 2.3 m. Span: 2.3 m. Length: 3.5 m. Country: USA. No Engines: 1. SRM-1Status: Hardware. Used as: Shuttle, Titan 34D. Other designations: Orbus 21D.