Spacecraft information: SL-12 R/B(2)
| Launched | 27 October 1987 |
| 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 | 18446 |
| COSPAR ID | 1987-091D |
| Observing |
Current orbital elements
| Inclination | 10.914° |
| Eccentricity | 0.00221 |
| RA ascending node | 21.752 hr |
| Argument perigee | 266.403° |
| Mean anomaly | 275.351° |
| Orbital period | 1436.700 min |
| Epoch of osculation | 20 Mar 2026, 12:22 |
Derived Quantities
| Min Altitude | 35712.5 km |
| Mean Altitude | 35805.5 km |
| Peak Altitude | 35898.6 km |
Orbital History
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