Encyclopedia Astronautica
Delta 3920-8

American orbital launch vehicle. Three stage vehicle consisting of 9 x Castor 4A + 1 x ELT Thor/RS-27 + 1 x Delta K

Status: Retired 1989.
Gross mass: 190,000 kg (410,000 lb).
Height: 36.00 m (118.00 ft).
Diameter: 2.44 m (8.00 ft).
Thrust: 3,188.00 kN (716,690 lbf).
Apogee: 500 km (310 mi).
First Launch: 1989.03.24.
Number: 1 .

More... - Chronology...

Associated Countries
Associated Spacecraft
  • SDI American military strategic defense satellite. 18 launches, 1986.09.05 (USA 19) to 1989.03.24 (USA 36). SDIO sensor tests. More...

See also
  • Delta The Delta launch vehicle was America's longest-lived, most reliable, and lowest-cost space launch vehicle. Development began in 1955 and it continued in service in the 21st Century despite numerous candidate replacements. More...

Associated Manufacturers and Agencies
  • Douglas American manufacturer of rockets, spacecraft, and rocket engines. Boeing Huntington Beach, Huntington Beach, CA, 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 LC17B Delta launch complex. Part of a dual launch pad complex built for the Thor ballistic missile program in 1956. Upgraded over the decades for use with Thor, Delta, Delta II, and Delta III launch vehicles, it remained in use for over half a century. More...

Associated Stages
  • Castor 4 Solid propellant rocket stage. Loaded/empty mass 10,534/1,269 kg. Thrust 407.21 kN. Vacuum specific impulse 261 seconds. More...
  • Delta K N2O4/Aerozine-50 propellant rocket stage. Loaded/empty mass 6,954/950 kg. Thrust 43.63 kN. Vacuum specific impulse 319 seconds. More...
  • Delta Thor RS27 Lox/Kerosene propellant rocket stage. Loaded/empty mass 84,368/4,360 kg. Thrust 1,030.22 kN. Vacuum specific impulse 296 seconds. More...

Delta 3920-8 Chronology

1989 March 24 - . 21:50 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Delta. Launch Vehicle: Delta 3920-8. LV Configuration: Delta 3920-8 D183.
  • USA 36 - . Payload: Delta Star. Nation: USA. Agency: SDIO. Class: Military. Type: Strategic defense satellite. Spacecraft: SDI. Decay Date: 1992-06-23 . USAF Sat Cat: 19911 . COSPAR: 1989-026A. Apogee: 312 km (193 mi). Perigee: 307 km (190 mi). Inclination: 47.7000 deg. Period: 90.70 min. Summary: Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). .

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