American orbital launch vehicle. Four stage vehicle consisting of 6 x Castor 2 + 1 x LT Thor DSV-2L-1C + 1 x Delta E + 1 x Star 37D
LEO Payload: 450 kg (990 lb). Payload: 450 kg (990 lb) to a GTO.
Gross mass: 103,700 kg (228,600 lb).
More... - Chronology...
Payload: 450 kg (990 lb).
Height: 32.40 m (106.20 ft).
Diameter: 2.44 m (8.00 ft).
Thrust: 2,411.00 kN (542,014 lbf).
Apogee: 400,000 km (240,000 mi).
First Launch: 1971.03.13.
Number: 1 .
IMP American earth magnetosphere satellite. 10 launches, 1963.11.27 (Explorer 18) to 1973.10.26 (Explorer 50). More...
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...
Explorer Series of satellites launched by Jet Propulsion Laboratory for the exploration of the space environment (micrometeoroids, charged particles, radiation, etc) from both earth orbital and heliocentric orbital locations. 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 LC17A Delta launch complex. Part of a dual launch pad complex built for the Thor ballistic missile program in 1956. Pad 17A supported Thor, Delta, and Delta II launches into the 21st Century. More...
Burner 2 Solid propellant rocket stage. Loaded/empty mass 774/116 kg. Thrust 43.55 kN. Vacuum specific impulse 285 seconds. Burner II was a launch vehicle upper stage developed by Boeing for the Air Force Space Systems Division. It was the first solid-fuel upper stage with full control and guidance capability developed for general space applications. More...
Castor 2 Solid propellant rocket stage. Loaded/empty mass 4,424/695 kg. Thrust 258.92 kN. Vacuum specific impulse 262 seconds. More...
Delta E Nitric acid/UDMH propellant rocket stage. Loaded/empty mass 6,009/785 kg. Thrust 35.10 kN. Vacuum specific impulse 278 seconds. More...
Delta Thor LT Lox/Kerosene propellant rocket stage. Loaded/empty mass 70,354/3,715 kg. Thrust 866.71 kN. Vacuum specific impulse 290 seconds. More...
Delta M6 Chronology
1971 March 13 -
16:15 GMT - .
: Cape Canaveral
. Launch Complex
: Cape Canaveral LC17A
. LV Family
. Launch Vehicle
: Delta M6
. LV Configuration
: Thor Delta M6 562/D83.
- Explorer 43 - .
Payload: IMP I. Mass: 288 kg (634 lb). Nation: USA. Agency: NASA Greenbelt. Program: Explorer. Class: Earth. Type: Magnetosphere satellite. Spacecraft: IMP. Decay Date: 1974-10-02 . USAF Sat Cat: 5043 . COSPAR: 1971-019A. Apogee: 203,130 km (126,210 mi). Perigee: 1,845 km (1,146 mi). Inclination: 31.2000 deg. Period: 5,957.90 min. Summary: Earth magnetosphere research. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .
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