Spacecraft information: EUTELSAT 1-F4
| 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 | 13.936° |
| Eccentricity | 0.00100 |
| RA ascending node | 22.879 hr |
| Argument perigee | 16.376° |
| Mean anomaly | 353.519° |
| Orbital period | 1459.156 min |
| Epoch of osculation | 16 Jan 2026, 09:22 |
Derived Quantities
| Min Altitude | 36201.2 km |
| Mean Altitude | 36243.9 km |
| Peak Altitude | 36286.6 km |
Orbital History
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