Spacecraft information: SL-8 DEB
| Launched | 8 June 1987 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 18526 |
| COSPAR ID | 1987-049C |
| Observing |
Current orbital elements
| Inclination | 74.036° |
| Eccentricity | 0.00037 |
| RA ascending node | 0.375 hr |
| Argument perigee | 258.631° |
| Mean anomaly | 251.994° |
| Orbital period | 98.273 min |
| Epoch of osculation | 20 Mar 2026, 05:39 |
Derived Quantities
| Min Altitude | 680.6 km |
| Mean Altitude | 683.2 km |
| Peak Altitude | 685.9 km |
Orbital History
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