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USA 18

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USA 18 is classified as:


NORAD ID: 16631
Int'l Code: 1986-014H
Perigee: 442.2 km
Apogee: 1,746.9 km
Inclination: 63.3 °
Period: 107.0 minutes
Semi major axis: 7465 km
RCS: Unknown
Launch date: February 9, 1986
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 16631U 86014H   18046.74030838 0.00000600  00000-0  80841-4 0    02
2 16631  63.3000 279.4662 0873816  58.4054 301.5946 13.45881750    06
Source of the keplerian elements: McCants