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    CZ-4 DEB
            Launch Details
            
                
        
                    | Launched | 2 September 1990 | 
| Flight ended | – | 
| Status | Unknown | 
| Launch site | Taiyuan Space Center, PRC | 
| Owner | People's Republic of China | 
| NORAD ID | 20894 | 
| COSPAR ID | 1990-081BE | 
| Observing | 
Current orbital elements
| Inclination | 98.544° | 
| Eccentricity | 0.00172 | 
| RA ascending node | 20.131 hr | 
| Argument perigee | 260.382° | 
| Mean anomaly | 230.500° | 
| Orbital period | 100.421 min | 
| Epoch of osculation | 01 Nov 2025, 12:11 | 
Derived Quantities