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Proton 4 (Proton-2 1 / N-6 #1)
Proton 4
The N-6 (a.k.a. Proton-2) was an improved version of the N-4 satellite. It was designed to study the interaction of elementary particles with energies in excess of 1012 eV up to 1015 eV. Due to the instrumentation, the N-6 was much heavier than the N-4. Of its total mass of 17 t, about 12.5 t were scientific instrumentation, making the N-6 the heaviest scientific satellite up to this date. A second N-6 was never launched.
| Nation: | USSR |
|---|---|
| Type / Application: | Science |
| Operator: | |
| Contractors: | |
| Equipment: | |
| Configuration: | |
| Propulsion: | |
| Power: | 4 deployable fixed solar arrays, batteries |
| Lifetime: | |
| Mass: | 17000 kg |
| Orbit: | 248 km × 477 km, 51.55° |
| Satellite | COSPAR | Date | LS | Launch Vehicle | Remarks | |
|---|---|---|---|---|---|---|
| Proton 4 (Proton-2 1, N-6 #1) | 1968-103A | 16.11.1968 | Ba LC-81/24 | Proton-K | ||
| Proton 5 (Proton-2 2, N-6 #2) | - | cancelled | Ba | Proton-K |
Further Proton missions:
