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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.



Subtopics

Explorer A American earth magnetosphere satellite. Discovered Van Allen radiation belts. Spacecraft engaged in research and exploration of the upper atmosphere or outer space.

Explorer B American earth magnetosphere satellite. Explorer 4. Mapped project Argus radiation.

Explorer C American earth magnetosphere satellite. Explorer 5.

Explorer Program Null

Family: Magnetosphere sat. People: von Braun. Country: USA. Spacecraft: Explorer A, Explorer B, Explorer C, S-1, S-2, S-46, S-30, S-56, P-14, S-15, Injun, S-55, EPE, AE, IMP, ADE, BE, IE, Beacon, GEOS, IQSY, DME, Solrad, RAE, SAS, SSS, MTS, Hawkeye, DAD. Launch Vehicles: Jupiter C, Juno II, Thor Delta A, Thor Able III, Thor Delta, Scout X-1, Thor Delta B, Scout X-3, Scout X-4, Thor Delta C, Thor SLV-2 Agena B, Scout B, Thor Delta E, Thor Delta C1, Thor Delta E1, Thor Delta J, Thor Delta M6, Scout D-1, Delta 1604, Delta 1913, Delta 1900, Scout E-1, Delta 2910, Scout F-1. Launch Sites: Wallops Island, Cape Canaveral, Vandenberg, San Marco. Agency: NASA, NRL, USAF, DARPA, NASA Langley, AFSC, NASA Greenbe.

1950 April 15 - .
1954 June 25 - . LV Family: Redstone. Launch Vehicle: Jupiter C.
1954 August 15 - . LV Family: Redstone. Launch Vehicle: Jupiter C.
1955 August 24 - . LV Family: Redstone. Launch Vehicle: Jupiter C.
1956 May 1 - . LV Family: Atlas. Launch Vehicle: Atlas Able.
1956 May - . LV Family: Atlas. Launch Vehicle: Atlas Able.
1957 October 5 - . LV Family: Redstone. Launch Vehicle: Jupiter C.
1957 November 8 - . LV Family: Redstone. Launch Vehicle: Jupiter C.
1958 February 1 - . 03:47 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC26A. LV Family: Redstone. Launch Vehicle: Jupiter C.
1958 March 5 - . 18:27 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC26A. LV Family: Redstone. Launch Vehicle: Jupiter C. FAILURE: Fourth Stage failed to ignite.. Failed Stage: 4.
1958 March 26 - . 17:38 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC5. LV Family: Redstone. Launch Vehicle: Jupiter C.
1958 July 26 - . 15:00 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC5. LV Family: Redstone. Launch Vehicle: Jupiter C.
1958 August 24 - . 06:17 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC5. LV Family: Redstone. Launch Vehicle: Jupiter C. FAILURE: First Stage collided with upper stages. Second Stage ignited in wrong direction.. Failed Stage: 2.
1959 July 16 - . 17:37 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC5. LV Family: Jupiter. Launch Vehicle: Juno II. FAILURE: Control lost after 5.5 sec. Destroyed by range safety.. Failed Stage: 1.
1959 August 7 - . 14:24 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Thor. Launch Vehicle: Thor Able III.
1959 October 13 - . 15:30 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC5. LV Family: Jupiter. Launch Vehicle: Juno II.
1960 March 23 - . 13:35 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC26B. LV Family: Jupiter. Launch Vehicle: Juno II. FAILURE: Upper stage failed to ignite. Third stage failed to ignite due to loss of radio contact.. Failed Stage: 3.
1960 November 3 - . 05:23 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC26B. LV Family: Jupiter. Launch Vehicle: Juno II.
1960 December 4 - . 21:14 GMT - . Launch Site: Wallops Island. Launch Complex: Wallops Island LA3. LV Family: Scout. Launch Vehicle: Scout X-1. FAILURE: Second stage malfunction.. Failed Stage: 2.
1961 February 16 - . 13:05 GMT - . Launch Site: Wallops Island. Launch Complex: Wallops Island LA3. LV Family: Scout. Launch Vehicle: Scout X-1.
1961 February 25 - . 00:13 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC26B. LV Family: Jupiter. Launch Vehicle: Juno II. FAILURE: Third Stage failed to ignite.. Failed Stage: 3.
1961 March 25 - . 15:17 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Thor. Launch Vehicle: Thor Delta.
1961 April 27 - . 14:16 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC26B. LV Family: Jupiter. Launch Vehicle: Juno II.
1961 May 24 - . 19:48 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC26B. LV Family: Jupiter. Launch Vehicle: Juno II. FAILURE: Second Stage failed to ignite.. Failed Stage: 2.
1961 June 30 - . 17:09 GMT - . Launch Site: Wallops Island. Launch Complex: Wallops Island LA3. LV Family: Scout. Launch Vehicle: Scout X-1. FAILURE: Third stage did not ignite, and the vehicle was destroyed.. Failed Stage: 3.
1961 August 16 - . 03:21 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Thor. Launch Vehicle: Thor Delta.
1961 August 25 - . 18:29 GMT - . Launch Site: Wallops Island. Launch Complex: Wallops Island LA3. LV Family: Scout. Launch Vehicle: Scout X-1. FAILURE: Partial Failure.. Failed Stage: 4.
1962 October 2 - . 22:11 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Thor. Launch Vehicle: Thor Delta A.
1962 October 27 - . 23:15 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Thor. Launch Vehicle: Thor Delta A.
1962 December 16 - . 14:33 GMT - . Launch Site: Wallops Island. Launch Complex: Wallops Island LA3. LV Family: Scout. Launch Vehicle: Scout X-3.
1963 April 3 - . 02:00 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Thor. Launch Vehicle: Thor Delta B.
1963 November 27 - . 02:30 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Thor. Launch Vehicle: Thor Delta C.
1963 December 19 - . 18:49 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC5. LV Family: Scout. Launch Vehicle: Scout X-4.
1964 March 19 - . 11:13 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Thor. Launch Vehicle: Thor Delta B. FAILURE: Insufficient third stage thrust.. Failed Stage: 3.
1964 August 25 - . 13:43 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC5. LV Family: Scout. Launch Vehicle: Scout X-4.
1964 October 4 - . 03:45 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Thor. Launch Vehicle: Thor Delta C.
1964 October 10 - . 03:00 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC5. LV Family: Scout. Launch Vehicle: Scout X-4.
1964 November 6 - . 12:02 GMT - . Launch Site: Wallops Island. Launch Complex: Wallops Island LA3. LV Family: Scout. Launch Vehicle: Scout X-4.
1964 November 21 - . 17:09 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC5. LV Family: Scout. Launch Vehicle: Scout X-4.
1964 December 21 - . 09:00 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Thor. Launch Vehicle: Thor Delta C.
1965 April 29 - . 14:17 GMT - . Launch Site: Wallops Island. Launch Complex: Wallops Island LA3A. LV Family: Scout. Launch Vehicle: Scout X-4.
1965 May 29 - . 12:00 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Thor. Launch Vehicle: Thor Delta C.
1965 November 6 - . 18:38 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Thor. Launch Vehicle: Thor Delta E.
1965 November 19 - . 04:48 GMT - . Launch Site: Wallops Island. Launch Complex: Wallops Island LA3A. LV Family: Scout. Launch Vehicle: Scout X-4.
1965 November 29 - . 04:48 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2E. LV Family: Thor. Launch Vehicle: Thor SLV-2 Agena B.
1966 May 25 - . 14:00 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Thor. Launch Vehicle: Thor Delta C1.
1966 July 1 - . 16:02 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Thor. Launch Vehicle: Thor Delta E1.
1967 May 24 - . 14:05 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2E. LV Family: Thor. Launch Vehicle: Thor Delta E1.
1967 July 19 - . 14:19 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Thor. Launch Vehicle: Thor Delta E1.
1968 January 11 - . 16:16 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2E. LV Family: Thor. Launch Vehicle: Thor Delta E1.
1968 March 5 - . 18:28 GMT - . Launch Site: Wallops Island. Launch Complex: Wallops Island LA3A. LV Family: Scout. Launch Vehicle: Scout B. FAILURE: Partial Failure.. Failed Stage: 4.
1968 July 4 - . 17:26 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2E. LV Family: Thor. Launch Vehicle: Thor Delta J.
1968 August 8 - . 20:12 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC5. LV Family: Scout. Launch Vehicle: Scout B.
1969 June 21 - . 08:47 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Thor Delta E1.
1970 December 12 - . 10:53 GMT - . Launch Site: San Marco. LV Family: Scout. Launch Vehicle: Scout B.
1971 March 13 - . 16:15 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Thor. Launch Vehicle: Thor Delta M6.
1971 July 8 - . 22:58 GMT - . Launch Site: Wallops Island. Launch Complex: Wallops Island LA3A. LV Family: Scout. Launch Vehicle: Scout B.
1971 November 15 - . 05:52 GMT - . Launch Site: San Marco. LV Family: Scout. Launch Vehicle: Scout B.
1972 August 13 - . 15:10 GMT - . Launch Site: Wallops Island. Launch Complex: Wallops Island LA3A. LV Family: Scout. Launch Vehicle: Scout D-1.
1972 September 23 - . 01:20 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Thor. Launch Vehicle: Delta 1604.
1972 November 15 - . 22:13 GMT - . Launch Site: San Marco. LV Family: Scout. Launch Vehicle: Scout D-1.
1973 June 10 - . 14:13 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Thor. Launch Vehicle: Delta 1913.
1973 October 26 - . 02:26 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Thor. Launch Vehicle: Delta 1604.
1973 December 16 - . 06:18 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Delta 1900.
1974 June 3 - . 23:09 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC5. LV Family: Scout. Launch Vehicle: Scout E-1.
1975 May 7 - . 22:45 GMT - . Launch Site: San Marco. LV Family: Scout. Launch Vehicle: Scout F-1.
1975 October 6 - . 09:00 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC2W. LV Family: Thor. Launch Vehicle: Delta 2910.
1975 November 20 - . 02:06 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Thor. Launch Vehicle: Delta 2910.
1975 December 6 - . 03:35 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC5. LV Family: Scout. Launch Vehicle: Scout F-1. FAILURE: Failure. Failed Stage: U.

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