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Spacecraft information: SL-12 R/B(2)
Launch Details
| 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 | 2.724° |
| Eccentricity | 0.00134 |
| RA ascending node | 17.683 hr |
| Argument perigee | 214.194° |
| Mean anomaly | 63.658° |
| Orbital period | 1433.052 min |
| Epoch of osculation | 08 Apr 2026, 10:44 |
Derived Quantities
| Min Altitude | 35677.6 km |
| Mean Altitude | 35734.1 km |
| Peak Altitude | 35790.6 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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