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 | 13.924° |
| Eccentricity | 0.00107 |
| RA ascending node | 22.871 hr |
| Argument perigee | 19.721° |
| Mean anomaly | 153.219° |
| Orbital period | 1459.103 min |
| Epoch of osculation | 02 Feb 2026, 01:28 |
Derived Quantities
| Min Altitude | 36197.3 km |
| Mean Altitude | 36242.9 km |
| Peak Altitude | 36288.4 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.