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STV 4, 5
STV 4 [ELDO]
STV (Satellite Test Vehicle) was a series of vehicle evaluation payloads built for the test flights of the Europa-2 rocket.
STV 4 was a mass representative for the Symphonie communications satellites, which were to fly on the third and fourth flights of Europa-2. The 360 kg cylinder shaped satellites were built by Fiat Aviazione for ELDO to register the launch environment of the Europa-2 rocket.
The launch of STV 4 failed, when the inertial guidance system failed 105 seconds after launch, which lead to vehicle break up at 150 seconds.
A second vehicle, STV 5 was to fly on the second Europa-2 rocket, but was cancelled along with the whole Europa project.
| Nation: | Europe |
|---|---|
| Type / Application: | Vehicle evaluation |
| Operator: | ELDO |
| Contractors: | Fiat Aviazione |
| Equipment: | |
| Configuration: | |
| Propulsion: | |
| Power: | Batteries |
| Lifetime: | |
| Mass: | 360 kg |
| Orbit: |
| Satellite | COSPAR | Date | LS | Launch Vehicle | Remarks | |
|---|---|---|---|---|---|---|
| STV 4 | 1971-F10 | 05.11.1971 | Ko CECLES | F | Europa-2 | |
| STV 5 | - | cancelled | Ko CECLES | Europa-2 |
Further STV missions:
