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ERS-1
Launch Details
| Launched | 16 July 1991 |
| Flight ended | – |
| Status | Non-operational |
| Category |
Assorted bright
|
| Launch site | Europe's Spaceport, Kourou, French Guiana |
| Owner | European Space Agency |
| NORAD ID | 21574 |
| COSPAR ID | 1991-050A |
| Observing |
Current orbital elements
| Inclination | 98.795° |
| Eccentricity | 0.00322 |
| RA ascending node | 17.737 hr |
| Argument perigee | 7.760° |
| Mean anomaly | 352.408° |
| Orbital period | 100.052 min |
| Epoch of osculation | 14 Sep 2025, 06:25 |
Derived Quantities
| Min Altitude | 745.1 km |
| Mean Altitude | 768.1 km |
| Peak Altitude | 791.1 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.