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Spacecraft information: NATO 4A
Launch Details
| Launched | 7 January 1991 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | North Atlantic Treaty Organization |
| NORAD ID | 21047 |
| COSPAR ID | 1991-001A |
| Observing |
Current orbital elements
| Inclination | 13.034° |
| Eccentricity | 0.00051 |
| RA ascending node | 23.689 hr |
| Argument perigee | 257.727° |
| Mean anomaly | 267.717° |
| Orbital period | 1465.168 min |
| Epoch of osculation | 12 Mar 2026, 19:09 |
Derived Quantities
| Min Altitude | 36339.0 km |
| Mean Altitude | 36360.9 km |
| Peak Altitude | 36382.8 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.