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TDRS 4

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TDRS 4 is classified as:


NORAD ID: 19883
Int'l Code: 1989-021B
Perigee: 36,207.8 km
Apogee: 36,397.6 km
Inclination: 13.0 °
Period: 1,462.2 minutes
Semi major axis: 42673 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   18321.51785532 -.00000172 +00000-0 +00000-0 0  9991
2 19883 013.0211 012.6777 0022236 259.0120 096.0730 00.98483338280778
Source of the keplerian elements: AFSPC