Discoverer 33
| Mission type | Optical reconnaissance |
|---|---|
| Operator | US Air Force/NRO |
| Mission duration | Failed to orbit |
| Spacecraft properties | |
| Spacecraft type | KH-3 Corona''' |
| Bus | Agena-B |
| Manufacturer | Lockheed |
| Launch mass | 1,150 kilograms (2,540 lb) |
| Start of mission | |
| Launch date | 23 October 1961, 19:23 UTC |
| Rocket | Thor DM-21 Agena-B 329 |
| Launch site | Vandenberg LC-75-3-5 |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Epoch | Planned |
Discoverer 33, also known as Corona 9026, was an American optical reconnaissance satellite which was lost in a launch failure in 1961. It was a KH-3 Corona''' satellite, based on an Agena-B.[1]
The launch of Discoverer 33 occurred at 19:23 UTC on 23 October 1961. A Thor DM-21 Agena-B rocket was used, flying from Launch Complex 75-3-5 at the Vandenberg Air Force Base.[2] The launch ended in failure after the Agena suffered a hydraulics system malfunction that led to premature main engine shutdown.[3]
Discoverer 33 was intended to have operated in a low Earth orbit. It had a mass of 1,150 kilograms (2,540 lb),[4] and was equipped with a panoramic camera with a focal length of 61 centimetres (24 in), which had a maximum resolution of 7.6 metres (25 ft).[5] It would have recorded images onto 70-millimeter (2.8 in) film, and returned this in a Satellite Recovery Vehicle at the end of its mission. The Satellite Recovery Vehicle carried by Discoverer 33 was SRV-553.
References
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