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USA 21

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USA 21 is classified as:


NORAD ID: 17506
Int'l Code: 1987-015A
Launch date: February 12, 1987
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 17506U 87015A   26045.14445650 -.00000778  00000-0 -21159-2 0  9990
2 17506  62.9671 273.1681 7275603 278.0632  12.4511  2.01482512 42766
Source of the keplerian elements: AFSPC