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STEX
Launch Details
| Launched | 2 October 1998 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 25489 |
| COSPAR ID | 1998-055A |
| Alternative names |
SPACE TECHNOLOGY EXPERIMENT |
| Observing |
Current orbital elements
| Inclination | 84.985° |
| Eccentricity | 0.00071 |
| RA ascending node | 9.311 hr |
| Argument perigee | 245.223° |
| Mean anomaly | 114.824° |
| Orbital period | 99.211 min |
| Epoch of osculation | 15 Sep 2025, 02:00 |
Derived Quantities
| Min Altitude | 723.0 km |
| Mean Altitude | 728.1 km |
| Peak Altitude | 733.1 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.