Star/TE-M

Solid Rocket Motor

The Star, or TE-M, series of solid-fueled rocket motors were developed by Thiokol and used on a large variety of launch vehicles, upper stages, satellites, probes and spacecraft. The number following the Star name indicates the motors diameter in inches.

Star motors are used as apogee kick motors, orbital insertion motors, propulsion units and on upper stages. They flew on Atlas, Delta, N-II, Titan, Conestoga, ALV, Sandia Strypi IV, Minotaur and Shuttle. Upper stages using the motor are Altair, Antares, Burner, ISS, PTS, OIS, SGS and PAM.

Pioneers 10 & 11 and Voyagers 1 & 2 used the Star-37E as propulsion unit, and Mars Pathfinder decended on Star-5 retrorockets. Ulysses, New Horizons, Magellan and Parker Solar Probe reached escape velocity with Star-48 motors. The Gemini spacecraft reentered using TE-M-385 Star-13E retrorockets in its Retro module.

Selected Star / TE-M Motors
  • Star-5 - TE-M-500: Pathfinder retrorockets
  • Star-12 - TE-M-263: Biosat retrorocket
  • Star-13 - TE-M-458: Explorers 33 & 35 (IMP D & E)
  • Star-13A - TE-M-516: flown on Burner-2 and Atlas-F OV1
  • Star-13E - TE-M-385: Gemini retrorocket motors
  • Star-17 - TE-M-479: Explorer 38 & 49 (RAE A & B)
  • Star-17A - TE-M-521-5: flown on Atlas-F and Explorer 43, 47 & 50 (IMP H-J)
  • Star-20 - TE-M-640-1: 27.4KS-6016 on Altair-3A flown on Atlas-E and Scout
  • Star-24 - TE-M-604: Delta-XXX1 designation, also flown on LAGEOS-1, Explorer 57 (IUE) and Pioneer Venus Orbiter
  • Star-26B - TE-M-442-1: Burner 2A upper stage
  • Star-27 - TE-M-616: flown on OIS, GOES and GPS (Navstar)
  • Star-27H - TE-M-1157: IBEX (SMEX 10) launched on Pegasus
  • Star-30BP - TE-M-700-20: CONTOUR (Discovery 6)
  • Star-31 - TE-M-762: Antares-3A motor
  • Star-37 - TE-M-364: Surveyor probes retrorocket
  • Star-37B - TE-M-364-2: Burner-2 & 2A first stage
  • Star-37D - TE-M-364-3: Delta-XXX3 designation, also flown on Delta-J and Delta-M/M6
  • Star-37E - TE-M-364-4: Delta-XXX4 designation, also flown on PTS, SGS-1, Atlas-Centaur-D/D1A, N-2, Titan-3E-Centaur-D1T, Pioneer 10 & 11 and Voyager 1 & 2
  • Star-37F - TE-M-364-19: Delta-XXX6 designation
  • Star-37N - TE-M-364-14: flown on N-1
  • Star-37S - TE-M-364-15: ISS stage motor
  • Star-37XE - TE-M-714-4: ISS pre-stage
  • Star-37XFP - TE-M-714-17/18: ISS stage motor and GPS-2 & 2A
  • Star-37FM - TE-M-783: flown on Minotaur-5, Clementine-1, GPS-2R & 2RM
  • Star-37FMV - TE-M-1139: Vectoring nozzle, flown on Minotaur-5 and ALV
  • Star-48B Short - TE-M-711-17: Delta-XXX5 designation, also flown on SGS-2, PAM-D, PAM-S (Ulysses), Magellan, LDSD and New Horizons
  • Star-48BV - TE-M-940-1: Vectoring nozzle, flown on Minotaur-4+, Minotaur-5, Conestoga-1620 and Parker Solar Probe
  • Star-63D - TU-936: PAM-D2 motor