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    IRIDIUM 73
            Launch Details
            
                
        
                    | Launched | 16 May 1998 | 
| Flight ended | – | 
| Status | Non-operational | 
| Category | Iridium | 
| Launch site | Air Force Western Test Range, California, USA | 
| Owner | United States | 
| NORAD ID | 25344 | 
| COSPAR ID | 1998-032C | 
| Observing | 
Current orbital elements
| Inclination | 86.444° | 
| Eccentricity | 0.00016 | 
| RA ascending node | 23.301 hr | 
| Argument perigee | 99.292° | 
| Mean anomaly | 260.847° | 
| Orbital period | 99.180 min | 
| Epoch of osculation | 30 Oct 2025, 03:42 | 
Derived Quantities
| Min Altitude | 725.4 km | 
| Mean Altitude | 726.6 km | 
| Peak Altitude | 727.7 km | 
Orbital History
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