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Star 17

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Star-17 Credit: Thiokol

AKA: 17.6-KS-2,460; TE-M-479. Status: Out of production. Number: 15 . Thrust: 10.90 kN (2,450 lbf). Gross mass: 79 kg (174 lb). Unfuelled mass: 9.00 kg (19.80 lb). Specific impulse: 286 s. Specific impulse sea level: 220 s. Burn time: 18 s. Height: 0.98 m (3.21 ft). Diameter: 0.44 m (1.44 ft).

Orbit insertion motor has been used as the apogee kick motor for the Radio Astronomy Explorer satellite, the SOLRAD satellite, and an S-3 satellite. Total impulse 20,177 kgf-sec. Motor propellant mass fraction 0.881.

Thrust (sl): 15.400 kN (3,462 lbf). Thrust (sl): 1,571 kgf.

Star 17A Thiokol solid rocket engine. In Production. Apogee kick motor, modified with 175 mm straight section added to the Star 17. The 17A was used to circularize orbits for the Skynet 1, NATO 1, and IMP-H & J satellites.