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USA 56

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USA 56 is classified as:


NORAD ID: 20560
Int'l Code: 1990-031A
Perigee: 601.7 km
Apogee: 691.3 km
Inclination: 89.9 °
Period: 97.5 minutes
Semi major axis: 7017 km
RCS: Unknown
Launch date: April 11, 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 20560U 90031A   25190.73633453  .00000606  00000-0  81027-4 0  9991
2 20560  89.8537 267.2491 0063832  50.3460 310.3368 14.76833739 62144
Source of the keplerian elements: McCants