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STEX

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STEX is classified as:


NORAD ID: 25489
Int'l Code: 1998-055A
Perigee: 731.4 km
Apogee: 742.2 km
Inclination: 85.0 °
Period: 99.4 minutes
Semi major axis: 7107 km
RCS: Unknown
Launch date: October 3, 1998
Source: United States (US)
Launch site: AIR FORCE WESTERN TEST RANGE (AFWTR)

Ultra-High Frequency (UHF) communications and Super-High Frequency (SHF) antijam command and broadcast capabilities through four pairs of geosynchronous satellites and one spare; tactical application.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 25489U 98055A   20222.87937395  .00000092  00000-0  18900-4 0  9997
2 25489  84.9870 169.8608 0007589 233.9274 126.1225 14.48770258153995
Source of the keplerian elements: McCants