Spacecraft information: SL-8 R/B
| Launched | 20 March 1985 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 15625 |
| COSPAR ID | 1985-023J |
| Observing |
Current orbital elements
| Inclination | 74.054° |
| Eccentricity | 0.01465 |
| RA ascending node | 16.372 hr |
| Argument perigee | 327.981° |
| Mean anomaly | 205.674° |
| Orbital period | 118.041 min |
| Epoch of osculation | 20 Dec 2025, 11:24 |
Derived Quantities
| Min Altitude | 1483.3 km |
| Mean Altitude | 1600.1 km |
| Peak Altitude | 1716.8 km |
Launched alongside
COSMOS 1635 COSMOS 1636 COSMOS 1637 COSMOS 1638 COSMOS 1639 COSMOS 1640 COSMOS 1641 COSMOS 1642Orbital History
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