The IS-GVM satellite was a mass model of the I2P interceptor satellites, which were launched as payload substitutes on some Tsiklon-2 evaluation launch.
The firt launch was orbital, while the second one was suborbital.
| Nation: | USSR |
|---|---|
| Type / Application: | Dummy satellite |
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| Mass: | 1300 kg |
| Orbit: |
| Satellite | COSPAR | Date | LS | Launch Vehicle | Remarks | |
|---|---|---|---|---|---|---|
| Kosmos 291 (IS-GVM #1) | 1969-066A | 06.08.1969 | Ba LC-90/19 | Tsiklon-2 | ||
| IS-GVM #2 | N/A | 01.11.1969 | Ba LC-90/20 | * | Tsiklon-2 |
