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Spacecraft information: COSMOS 256
Launch Details
| Launched | 29 November 1968 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 3576 |
| COSPAR ID | 1968-106A |
| Observing |
Current orbital elements
| Inclination | 74.046° |
| Eccentricity | 0.00332 |
| RA ascending node | 8.739 hr |
| Argument perigee | 140.397° |
| Mean anomaly | 357.402° |
| Orbital period | 109.349 min |
| Epoch of osculation | 21 May 2026, 13:57 |
Derived Quantities
| Min Altitude | 1178.7 km |
| Mean Altitude | 1203.8 km |
| Peak Altitude | 1228.9 km |
Launched alongside
SL-8 R/BOrbital History
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