
Discoverer 1 (Corona KH-1 prototype), the maiden Thor-Agena A flight from Vandenberg carrying a camera-less reconnaissance test satellite for polar-orbit spy-satellite development. Agena telemetry was lost after about 12 minutes; the payload is generally presumed to have impacted near Antarctica without a confirmed orbit.
- Outcome
- Failure
- Orbit
- PO
- Polar orbit
- Payload to orbit
- Did not reach orbit
- Flight
- 1st
- of 15 Thor Agena A flights
- Date and time
- 28 February 1959, 21:49 UTC
- Rocket
- Thor Agena A
- Builder
- McDonnell Douglas
- Launch site
- Space Launch Complex 1W, Vandenberg SFB, CA, USA
- Payload
- Government/Top Secret
- International designator
- 1959-002
- Launches in 1959
- 3rd of 23
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Space Atlas shows the satellites and rocket stages from this launch in 3D.
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