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STEX

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STEX is classified as:


NORAD ID: 25489
Int'l Code: 1998-055A
Perigee: 720.3 km
Apogee: 736.3 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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TITAN 3C TRANSTAGE DEB
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 25489U 98055A   25199.89689817  .00000490  00000-0  11746-3 0  9992
2 25489  84.9848 174.4336 0011228  82.4780 277.7698 14.51374336415331
Source of the keplerian elements: McCants