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USA 55

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USA 55 is classified as:


NORAD ID: 20547
Int'l Code: 1990-028B
Perigee: 441.9 km
Apogee: 559.6 km
Inclination: 94.1 °
Period: 94.5 minutes
Semi major axis: 6871 km
RCS: 0.1768 m2 (medium)
Launch date: April 5, 1990
Source: United States (US)
Launch site: AIR FORCE WESTERN TEST RANGE (AFWTR)
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 20547U 90028B   17325.26478451  .00000708  00000-0  27122-4 0  9995
2 20547  94.1060 215.2257 0085578  35.3446 325.3429 15.24060850523102
Source of the keplerian elements: AFSPC