Spacecraft information: SL-12 R/B(2)
| Launched | 9 December 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 | 18634 |
| COSPAR ID | 1987-100D |
| Observing |
Current orbital elements
| Inclination | 9.621° |
| Eccentricity | 0.00174 |
| RA ascending node | 21.276 hr |
| Argument perigee | 272.160° |
| Mean anomaly | 142.154° |
| Orbital period | 1392.630 min |
| Epoch of osculation | 25 Aug 2026, 11:52 |
Derived Quantities
| Min Altitude | 34866.7 km |
| Mean Altitude | 34938.6 km |
| Peak Altitude | 35010.4 km |
Orbital History
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