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TDRS 3

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TDRS 3 is classified as:


NORAD ID: 19548
Int'l Code: 1988-091B
Perigee: 35,643.2 km
Apogee: 35,944.5 km
Inclination: 12.9 °
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   25182.77177569 -.00000301  00000-0  00000-0 0  9995
2 19548  12.8686 343.3304 0035737 346.2323 179.6167  1.00271405121874
Source of the keplerian elements: AFSPC