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TDRS 3

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TDRS 3 is classified as:


NORAD ID: 19548
Int'l Code: 1988-091B
Perigee: 35,641.5 km
Apogee: 35,949.5 km
Inclination: 14.4 °
Period: 1,436.2 minutes
Semi major axis: 42166 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   18142.54559751 -.00000317 +00000-0 +00000-0 0  9992
2 19548 014.4343 004.5476 0036518 319.9421 049.6167 01.00265431095814
Source of the keplerian elements: AFSPC