1965-073A
Two weeks after the previous launch, another quintet of satellites was launched into approximately 1400 km orbit. It appears that the second stage may have performed inaccurately this time, since the orbits attained were more elliptical. The Kosmos-86 to Kosmos-90 quintet completed the Strela-1 constellation; it would be another five years before an operational Strela-1M constellation would appear.
| Kosmos-86 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1965 Sep 18 | 0759 | Launch by 65S3 | KB |
| 0801? | Stage 2 burn 1 | ||
| 0808? | Stage 2 MECO-1 | ||
| 0857? | Stage 2 burn 2 | ||
| 0857? | Stage 2 sep | 115.0 1277 x 1638 x 56.1 | |
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