Spacecraft information: SL-12 R/B(2)
| Launched | 21 December 1975 |
| 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 | 11568 |
| COSPAR ID | 1975-123F |
| Observing |
Current orbital elements
| Inclination | 2.892° |
| Eccentricity | 0.00127 |
| RA ascending node | 17.766 hr |
| Argument perigee | 215.059° |
| Mean anomaly | 307.394° |
| Orbital period | 1433.029 min |
| Epoch of osculation | 02 Feb 2026, 10:40 |
Derived Quantities
| Min Altitude | 35680.1 km |
| Mean Altitude | 35733.7 km |
| Peak Altitude | 35787.2 km |
Launched alongside
PROGNOZ 4 SL-6 R/B SL-6 PLAT RADUGA 1 SL-12 PLAT SL-12 R/B(1) SL-12 R/B SL-12 R/BOrbital History
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