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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 | 84.984° |
| Eccentricity | 0.00108 |
| RA ascending node | 12.241 hr |
| Argument perigee | 123.960° |
| Mean anomaly | 236.263° |
| Orbital period | 99.217 min |
| Epoch of osculation | 03 Jul 2025, 12:32 |
Derived Quantities
| Min Altitude | 720.7 km |
| Mean Altitude | 728.3 km |
| Peak Altitude | 736.0 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.