Spacecraft information: COSMOS 1660
| Launched | 13 June 1985 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 15821 |
| COSPAR ID | 1985-047A |
| Observing |
Current orbital elements
| Inclination | 73.624° |
| Eccentricity | 0.00274 |
| RA ascending node | 7.275 hr |
| Argument perigee | 345.136° |
| Mean anomaly | 183.604° |
| Orbital period | 116.054 min |
| Epoch of osculation | 13 Aug 2026, 03:37 |
Derived Quantities
| Min Altitude | 1488.8 km |
| Mean Altitude | 1510.4 km |
| Peak Altitude | 1532.0 km |
Orbital History
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