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USA 18

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USA 18 is classified as:


NORAD ID: 16631
Int'l Code: 1986-014H
Perigee: 365.3 km
Apogee: 1,648.5 km
Inclination: 63.3 °
Period: 105.1 minutes
Semi major axis: 7377 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   24139.92014436  .00028979  00000-0  16390-2 0  9990
2 16631  63.2932 342.9500 0869588  97.5483 272.5092 13.69950673239366
Source of the keplerian elements: McCants