Tracking 19247 objects as of 22-Sep-2018
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USA 57


USA 57 is classified as:


NORAD ID: 20561
Int'l Code: 1990-031B
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):
Source of the keplerian elements: AFSPC