SPACE TECHNOLOGY EXPERIMENT - Norad ID: 25489
| Spacetrack Directory Name | STEX |
| Alternative name | SPACE TECHNOLOGY EXPERIMENT |
| Orbit launches |
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| Deorbitation |
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| Country/organisation of origin | USA (US) |
| Starting point | AFWTR (Vandenberg Air Force Base, USA) |
| Perigee | 722 km |
| Apogee | 737 km |
STEX, 25489 is a payload satellite owned by NRO (US) in LEO that was launched on Sat, 03 Oct 1998 UTC via an ARPA TAURUS launch vehicle from the Air Force Western Test Range (AFWTR). Payloads include a variety of satellites, spacecraft, and rockets equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
satellite STEX Date of exalting 03.10.1998y.