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    EUTELSAT 1-F4
            Launch Details
            
                
        
                    | Launched | 15 September 1987 | 
| Flight ended | – | 
| Status | Non-operational | 
| Launch site | Europe's Spaceport, Kourou, French Guiana | 
| Owner | European Telecommunications Satellite Organization (EUTELSAT) | 
| NORAD ID | 18351 | 
| COSPAR ID | 1987-078B | 
| Alternative names | 
                                                            ECS 4                                 | 
                    
| Observing | 
Current orbital elements
| Inclination | 13.992° | 
| Eccentricity | 0.00069 | 
| RA ascending node | 22.914 hr | 
| Argument perigee | 21.859° | 
| Mean anomaly | 329.170° | 
| Orbital period | 1459.093 min | 
| Epoch of osculation | 02 Nov 2025, 08:33 | 
Derived Quantities
| Min Altitude | 36213.3 km | 
| Mean Altitude | 36242.7 km | 
| Peak Altitude | 36272.0 km | 
Orbital History
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