Encyclopedia Astronautica
Titan 3E



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Titan 3E
Titan 3E - COSPAR 1976-003
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Titan 3E
Credit: © Mark Wade
American orbital launch vehicle. Titan 3D with Centaur D-1T upper stage. Used by NASA for deep space missions in 1970's.

LEO Payload: 15,400 kg (33,900 lb) to a 185 km orbit. Payload: 3,700 kg (8,100 lb) to a trans-Mars trajectory. Failures: 1. First Fail Date: 1974-02-11. Last Fail Date: 1974-02-11. Launch Price $: 29.300 million in 1985 dollars. Flyaway Unit Cost $: 72.500 million in 1974 dollars.

Stage Data - Titan 3E

  • Stage 0. 2 x Titan UA1205. Gross Mass: 226,233 kg (498,758 lb). Empty Mass: 33,798 kg (74,511 lb). Thrust (vac): 5,849.411 kN (1,315,000 lbf). Isp: 263 sec. Burn time: 115 sec. Isp(sl): 238 sec. Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft). Length: 25.91 m (85.00 ft). Propellants: Solid. No Engines: 1. Engine: UA1205. Status: Out of Production.
  • Stage 1. 1 x Titan 3A-1. Gross Mass: 116,573 kg (256,999 lb). Empty Mass: 5,443 kg (11,999 lb). Thrust (vac): 2,339.760 kN (525,999 lbf). Isp: 302 sec. Burn time: 147 sec. Isp(sl): 250 sec. Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft). Length: 22.28 m (73.09 ft). Propellants: N2O4/Aerozine-50. No Engines: 2. Engine: LR-87-11. Status: In Production.
  • Stage 2. 1 x Titan 3A-2. Gross Mass: 29,188 kg (64,348 lb). Empty Mass: 2,653 kg (5,848 lb). Thrust (vac): 453.714 kN (101,999 lbf). Isp: 316 sec. Burn time: 205 sec. Isp(sl): 145 sec. Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft). Length: 7.90 m (25.90 ft). Propellants: N2O4/Aerozine-50. No Engines: 1. Engine: LR-91-11. Status: In Production.
  • Stage 3. 1 x Centaur D/E. Gross Mass: 16,258 kg (35,842 lb). Empty Mass: 2,631 kg (5,800 lb). Thrust (vac): 131.222 kN (29,500 lbf). Isp: 444 sec. Burn time: 470 sec. Isp(sl): 0.0000 sec. Diameter: 3.05 m (10.00 ft). Span: 3.05 m (10.00 ft). Length: 9.60 m (31.40 ft). Propellants: Lox/LH2. No Engines: 2. Engine: RL-10A-3. Status: Out of Production.

AKA: Titan IIIE; Titan 23E; SLV-5E.
Gross mass: 632,970 kg (1,395,450 lb).
Payload: 15,400 kg (33,900 lb).
Height: 48.00 m (157.00 ft).
Diameter: 3.05 m (10.00 ft).
Thrust: 10,586.80 kN (2,380,007 lbf).
Apogee: 185 km (114 mi).
First Launch: 1974.02.11.
Last Launch: 1977.09.05.
Number: 7 .

More... - Chronology...


Associated Countries
Associated Spacecraft
  • Sphinx American military technology satellite. One launch, 1974.02.11. Space Plasma High Voltage Interaction Experiment. Research payload carried on test flight of Titan 3E booster. More...
  • Viking American Mars lander. 5 launches, 1974.02.11 (Viking Dynamic Simulator) to 1975.09.09 (Viking 2 Lander). First successful soft landings made at two locations on the Martian surface and returned the first images from the surface. More...
  • Helios German solar satellite. 2 launches, 1974.12.10 (Helios 1) and 1976.01.15 (Helios 2). Solar probe. Launched by the United States and the Federal Republic of Germany. Heliocentric orbit 190 days, 0.309 x 0.985 AU x 0 deg. More...
  • Voyager American outer planets probe. 2 launches, 1977.08.20 (Voyager 2) and 1977.09.05 (Voyager 1). The twin Voyager spacecraft were designed to perform close-up observations of the atmospheres, magnetospheres, rings, and satellites of Jupiter and Saturn. More...

Associated Engines
  • LR87-11 Aerojet N2O4/Aerozine-50 rocket engine. 1218.8 kN. Out of production. Isp=302s. Powered Titan 3 and 4 first stages. Replaced the -9 model, first flown 1968. First flight 1964. More...
  • LR91-11 Aerojet N2O4/Aerozine-50 rocket engine. 467 kN. Out of production. Isp=316s. Second stage engine for Titan 3 and 4. First flight 1968. More...
  • RL-10A-3 Pratt and Whitney lox/lh2 rocket engine. 65.6 kN. Study 1968. Isp=444s. First flight 1967. More...
  • UA1205 CSD solid rocket engine. 5849.3 kN. Out of production. Isp=263s. Strap-on boosters for Titan 3C, 3D, 3E. Proposed for advanced Saturn IB versions. First flight 1965. More...

See also
  • Titan The Titan launch vehicle family was developed by the United States Air Force to meet its medium lift requirements in the 1960's. The designs finally put into production were derived from the Titan II ICBM. Titan outlived the competing NASA Saturn I launch vehicle and the Space Shuttle for military launches. It was finally replaced by the USAF's EELV boosters, the Atlas V and Delta IV. Although conceived as a low-cost, quick-reaction system, Titan was not successful as a commercial launch vehicle. Air Force requirements growth over the years drove its costs up - the Ariane using similar technology provided lower-cost access to space. More...

Associated Manufacturers and Agencies
  • Martin American manufacturer of rockets, spacecraft, and rocket engines. Martin Marietta Astronautics Group (1956), Denver, CO, USA. More...

Associated Launch Sites
  • Cape Canaveral America's largest launch center, used for all manned launches. Today only six of the 40 launch complexes built here remain in use. Located at or near Cape Canaveral are the Kennedy Space Center on Merritt Island, used by NASA for Saturn V and Space Shuttle launches; Patrick AFB on Cape Canaveral itself, operated the US Department of Defense and handling most other launches; the commercial Spaceport Florida; the air-launched launch vehicle and missile Drop Zone off Mayport, Florida, located at 29.00 N 79.00 W, and an offshore submarine-launched ballistic missile launch area. All of these take advantage of the extensive down-range tracking facilities that once extended from the Cape, through the Caribbean, South Atlantic, and to South Africa and the Indian Ocean. More...
  • Cape Canaveral LC41 Titan, Atlas V launch complex. Complexes 40 and 41 were constructed as part of the Integrate-Transfer-Launch (ITL) Titan launch facility at the north end of Cape Canaveral in the early 1960s. Over the next three decades, the complexes supported a wide variety of military space missions involving Titan IIIC, Titan 34D and Titan IV. Complex 41 was deactivated at the end of 1977, then upgraded for the Titan IV program in the 1986-88 period. In October 1999, Complex 41 was demolished with high explosives in order for a new pad for launch of the Atlas 5 rocket to be erected. By then it had been the starting point for 27 Titan flights. More...

Associated Stages
  • Centaur D/E Lox/LH2 propellant rocket stage. Loaded/empty mass 16,258/2,631 kg. Thrust 131.22 kN. Vacuum specific impulse 444 seconds. More...
  • Titan 3A-2 N2O4/Aerozine-50 propellant rocket stage. Loaded/empty mass 29,188/2,653 kg. Thrust 453.71 kN. Vacuum specific impulse 316 seconds. More...
  • Titan UA1205 Solid propellant rocket stage. Loaded/empty mass 226,233/33,798 kg. Thrust 5,849.41 kN. Vacuum specific impulse 263 seconds. More...
  • Titan 3A-1 N2O4/Aerozine-50 propellant rocket stage. Loaded/empty mass 116,573/5,443 kg. Thrust 2,339.76 kN. Vacuum specific impulse 302 seconds. More...

Titan 3E Chronology


1974 February 11 - . 13:48 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC41. LV Family: Titan. Launch Vehicle: Titan 3E. LV Configuration: Titan IIIE 23E-1 / Centaur D-1T E-1. FAILURE: Centaur LOX pump failure.. Failed Stage: 3.
  • Sphinx - . Nation: USA. Agency: USAF. Spacecraft: Sphinx. Decay Date: 1974-02-12 . COSPAR: F740211A. Summary: Space Plasma High Voltage Interaction Experiment. Payload carried on test flight of Titan 3E booster..
  • Viking Dynamic Simulator - . Payload: VDS. Nation: USA. Agency: USAF. Spacecraft: Viking. COSPAR: F740211B.

1974 December 10 - . 07:11 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC41. LV Family: Titan. Launch Vehicle: Titan 3E. LV Configuration: Titan IIIE 23E-2 / Centaur D-1T E-2.
  • Helios 1 - . Mass: 370 kg (810 lb). Nation: Germany. Agency: DFVLR. Class: Astronomy. Type: Solar astronomy satellite. Spacecraft: Helios. USAF Sat Cat: 7567 . COSPAR: 1974-097A. Solar probe. Solar Orbit (Heliocentric). Launched by the United States and the Federal Republic of Germany. Helios A (Helios I). Heliocentric orbit 190 days, 0.309 x 0.985 AU x 0 deg. Exploration of the interplanetary space between the earth and the sun and study of solar influences on that area.

1975 August 20 - . 21:22 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC41. LV Family: Titan. Launch Vehicle: Titan 3E. LV Configuration: Titan IIIE 23E-4 / Centaur D-1T E-4.
  • Viking 1 Orbiter - . Payload: Viking 1. Mass: 3,399 kg (7,493 lb). Nation: USA. Agency: JPL. Class: Mars. Type: Mars probe. Spacecraft: Viking. USAF Sat Cat: 8108 . COSPAR: 1975-075A. Summary: Combined Mars orbiter and lander mission; orbiter inserted in Mars orbit 6/19/76; lander soft landed on Martian surface 7/20/76Mars. Mars Orbit. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B)..
  • Viking 1 Lander - . Payload: Viking 1. Nation: USA. Agency: NASA Langley. Class: Mars. Type: Mars probe. Spacecraft: Viking. Decay Date: 1976-07-20 . USAF Sat Cat: 9024 . COSPAR: 1975-075C. Summary: Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

1975 September 9 - . 18:39 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC41. LV Family: Titan. Launch Vehicle: Titan 3E. LV Configuration: Titan IIIE 23E-3 / Centaur D-1T E-3.
  • Viking 2 Orbiter - . Mass: 3,399 kg (7,493 lb). Nation: USA. Agency: JPL. Class: Mars. Type: Mars probe. Spacecraft: Viking. USAF Sat Cat: 8199 . COSPAR: 1975-083A. Summary: Combined Mars orbiter and lander mission; orbiter inserted in Mars orbit 8/7/76; lander soft landed on Martian surface 9/3/76Mars. Mars Orbit. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B)..
  • Viking 2 Lander - . Nation: USA. Agency: NASA Langley. Class: Mars. Type: Mars probe. Spacecraft: Viking. Decay Date: 1976-08-31 . USAF Sat Cat: 9408 . COSPAR: 1975-083C. Summary: Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

1976 January 15 - . 05:34 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC41. LV Family: Titan. Launch Vehicle: Titan 3E. LV Configuration: Titan IIIE 23E-5 / Centaur D-1T E-5.
  • Helios 2 - . Mass: 376 kg (828 lb). Nation: Germany. Agency: DFVLR. Class: Astronomy. Type: Solar astronomy satellite. Spacecraft: Helios. USAF Sat Cat: 8582 . COSPAR: 1976-003A. Summary: Solar probe. Solar Orbit (Heliocentric). Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). .

1977 August 20 - . 14:29 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC41. LV Family: Titan. Launch Vehicle: Titan 3E. LV Configuration: Titan IIIE 23E-7 / Centaur D-1T E-7.
  • Voyager 2 - . Payload: Voyager 2 [Star-37E]. Mass: 800 kg (1,760 lb). Nation: USA. Agency: JPL. Class: Outer planets. Type: Outer planets probe. Spacecraft: Voyager. USAF Sat Cat: 10271 . COSPAR: 1977-076A. Summary: Jupiter flyby 7/9/79, Saturn flyby 8/26/81, Uranus flyby 1/24/86, Neptune flyby 8/25/89. Solar system escape trajectory. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B)..

1977 September 5 - . 12:56 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC41. LV Family: Titan. Launch Vehicle: Titan 3E. LV Configuration: Titan IIIE 23E-6 / Centaur D-1T E-6.
  • Voyager 1 - . Payload: Voyager 1 [Star-37E]. Mass: 800 kg (1,760 lb). Nation: USA. Agency: JPL. Class: Outer planets. Type: Outer planets probe. Spacecraft: Voyager. USAF Sat Cat: 10321 . COSPAR: 1977-084A. Summary: Jupiter flyby 3/5/79, Saturn flyby 11/12/80. Solar system escape trajectory. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B)..

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