Manufacturer Name: TE-M-799-1. Other Designations: 87.2-KS-17,335. Designer: Thiokol. Gross Mass: 2,574 kg. Empty Mass: 144 kg. Propellants: SolidThrust(vac): 7,863 kgf. Isp: 283 sec. Burn time: 87 sec. Diameter: 1.2 m. Chambers: 1. Country: USA. Status: In Production. References: 410 . Comments: Short nozzle upper-stage motor is designed to fit within the dimensional envelope of the long nozzle Total flown included in total for Star-48A-l. Total impulse 693,030 kgf-sec. Motor propellant mass fraction 0.944.