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    ACRIMSAT
            Launch Details
            
                
        
                    | Launched | 20 December 1999 | 
| Flight ended | – | 
| Status | Non-operational | 
| Launch site | Air Force Western Test Range, California, USA | 
| Owner | United States | 
| NORAD ID | 26033 | 
| COSPAR ID | 1999-070B | 
| Alternative names | 
                                                            ACTIVE CAVITY RADIOMETER IRRADIANCE MONITOR SATELLITE                                 | 
                    
| Observing | 
Current orbital elements
| Inclination | 98.314° | 
| Eccentricity | 0.00277 | 
| RA ascending node | 5.552 hr | 
| Argument perigee | 98.324° | 
| Mean anomaly | 262.110° | 
| Orbital period | 98.256 min | 
| Epoch of osculation | 02 Nov 2025, 08:59 | 
Derived Quantities
| Min Altitude | 662.9 km | 
| Mean Altitude | 682.4 km | 
| Peak Altitude | 702.0 km | 
Orbital History
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