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TDRS 4

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TDRS 4 is classified as:


NORAD ID: 19883
Int'l Code: 1989-021B
Perigee: 36,243.4 km
Apogee: 36,362.9 km
Inclination: 13.0 °
Period: 1,462.2 minutes
Semi major axis: 42674 km
RCS: 20.9264 m2 (large)
Launch date: March 13, 1989
Source: United States (US)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)

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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 19883U 89021B   21131.74640583 -.00000028  00000-0  00000+0 0  9994
2 19883  13.0394   5.9655 0013996 298.0014 239.4835  0.98481706289683
Source of the keplerian elements: AFSPC