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PDD [Joel Powell]
PDD (Prototype Deployment Device) was an experimental mechanical latch designed for use in zero-gravity, which was tested as a secondary payload on the Stacksat launch. It was attached to the payload adaptor situated between the Altair-3A upper stage and the bottom spacecraft.
| Nation: | USA |
|---|---|
| Type / Application: | Technology |
| Operator: | DARPA |
| Contractors: | |
| Equipment: | |
| Configuration: | Instruments mounted on upper stage |
| Propulsion: | None |
| Power: | Batteries |
| Lifetime: | |
| Mass: | |
| Orbit: | 628 km × 738 km, 89.82° |
| Satellite | COSPAR | Date | LS | Launch Vehicle | Remarks | |
|---|---|---|---|---|---|---|
| PDD (P87-2) | 1990-031D | 11.04.1990 | Va SLC-3W | Atlas-E Altair-3A | with POGS & SSR, TEX, SCE |
Launch Sites:
- Va = Vandenberg Air Force Base, California, USA
References:
- Dwayne A. Day: The Stacksat
sagastory, in The Space Review
Further STP missions:
