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TDRS 3

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TDRS 3 is classified as:


NORAD ID: 19548
Int'l Code: 1988-091B
Perigee: 35,634.8 km
Apogee: 35,952.3 km
Inclination: 14.3 °
Period: 1,436.1 minutes
Semi major axis: 42164 km
RCS: 38.9601 m2 (large)
Launch date: September 29, 1988
Source: United States (US)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)

Backup; still partially operational.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 19548U 88091B   19315.83364459 -.00000291 +00000-0 +00000-0 0  9997
2 19548 014.2809 359.3915 0037645 313.2031 349.3829 01.00272480101246
Source of the keplerian elements: AFSPC