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COSMOS 81
Launch Details
| Launched | 2 September 1965 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 1571 |
| COSPAR ID | 1965-070B |
| Observing |
Current orbital elements
| Inclination | 56.058° |
| Eccentricity | 0.00897 |
| RA ascending node | 16.945 hr |
| Argument perigee | 63.219° |
| Mean anomaly | 47.129° |
| Orbital period | 115.305 min |
| Epoch of osculation | 03 Sep 2025, 05:41 |