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COSMOS 1666
Launch Details
| Launched | 7 July 1985 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 15889 |
| COSPAR ID | 1985-058A |
| Observing |
Current orbital elements
| Inclination | 82.457° |
| Eccentricity | 0.00019 |
| RA ascending node | 22.620 hr |
| Argument perigee | 23.887° |
| Mean anomaly | 336.250° |
| Orbital period | 90.563 min |
| Epoch of osculation | 09 May 2025, 02:53 |
Derived Quantities
| Min Altitude | 308.0 km |
| Mean Altitude | 309.3 km |
| Peak Altitude | 310.6 km |
Orbital History
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