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STEX

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STEX is classified as:


NORAD ID: 25489
Int'l Code: 1998-055A
Perigee: 723.3 km
Apogee: 733.7 km
Inclination: 85.0 °
Period: 99.2 minutes
Semi major axis: 7099 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   25131.71017395  .00000585  00000-0  14184-3 0  9999
2 25489  84.9861 215.1814 0007291 313.6886  46.3712 14.51310068405092
Source of the keplerian elements: McCants