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Vanguard
Vanguard - Vanguard - COSPAR 1958-Beta

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Family: Vanguard. Country: USA. Status: Hardware.

Launch vehicle developed by Navy to launch America's first satellite as part of the International Geophysical Year. Von Braun's Jupiter-C launched first US satellite after Vanguard launch failure. Upper stages led to Able upper stage for Thor/Atlas.


Specifications

Launches: 11. Failures: 8. Success Rate: 27.27% pct. First Launch Date: 06 December 1957. Last Launch Date: 18 September 1959. LEO Payload: 9 kg. to: 200 km Orbit. Liftoff Thrust: 12,630 kgf. Total Mass: 10,050 kg. Core Diameter: 1.1 m. Total Length: 23.0 m. Flyaway Unit Cost $: 5.66 million. in 1985 unit dollars.


Vanguard Chronology


1955 Mar 19 -
1955 Jul 29 -
1955 Aug 1 -
1955 Sep 9 -
1955 Oct 7 -
1957 Apr 11 -
1957 May 1 -
1957 Oct 1 -
1957 Oct 9 -
1957 Oct 23 -
1957 Dec 6 - - 16:45 GMT. LV Configuration: Vanguard s/n TV-3. Launch Site: Cape Canaveral . Launch Complex: LC18A. FAILURE: Vehicle lost thrust and exploded after 2 seconds.
1958 Feb 5 - - 07:33 GMT. LV Configuration: Vanguard s/n TV-3BU. Launch Site: Cape Canaveral . Launch Complex: LC18A. FAILURE: Control system malfunction - control lost after 57 sec.
1958 Mar 17 - - 12:15 GMT. LV Configuration: Vanguard s/n TV-4. Launch Site: Cape Canaveral . Launch Complex: LC18A.
1958 Apr 29 - - 02:53 GMT. LV Configuration: Vanguard s/n TV-5. Launch Site: Cape Canaveral . Launch Complex: LC18A. FAILURE: Third Stage failed to ignite.
1958 May 28 - - 03:46 GMT. LV Configuration: Vanguard s/n SLV-1. Launch Site: Cape Canaveral . Launch Complex: LC18A. FAILURE: Improper third stage trajectory - unknown cause.
1958 Jun 26 - - 05:01 GMT. LV Configuration: Vanguard s/n SLV-2. Launch Site: Cape Canaveral . Launch Complex: LC18A. FAILURE: Premature second stage cutoff. Unknown cause.
1958 Sep 26 - - 15:38 GMT. LV Configuration: Vanguard s/n SLV-3. Launch Site: Cape Canaveral . Launch Complex: LC18A. FAILURE: Insufficient 2nd stage thrust - unknown cause.
1959 Feb 17 - - 15:55 GMT. LV Configuration: Vanguard s/n SLV-4. Launch Site: Cape Canaveral . Launch Complex: LC18A.
1959 Apr 14 - - 02:49 GMT. LV Configuration: Vanguard s/n SLV-5. Launch Site: Cape Canaveral . Launch Complex: LC18A. FAILURE: Failure.
1959 Jun 22 - - 20:16 GMT. LV Configuration: Vanguard s/n SLV-6. Launch Site: Cape Canaveral . Launch Complex: LC18A. FAILURE: Failure - unknown cause.
1959 Sep 18 - - 05:20 GMT. LV Configuration: Vanguard/X-248 s/n SLV-7. Launch Site: Cape Canaveral . Launch Complex: LC18A.
1960 Mar 17 -
1961 Mar 17 -

Bibliography:



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Last update 12 March 2001.
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© Mark Wade, 2001 .