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USA 18

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USA 18 is classified as:


NORAD ID: 16631
Int'l Code: 1986-014H
Perigee: 388.8 km
Apogee: 1,790.8 km
Inclination: 63.3 °
Period: 106.9 minutes
Semi major axis: 7460 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   19326.15323835  .00000413  00000-0  48313-4 0  9998
2 16631  63.3001  26.0081 0939577  64.9285 304.6252 13.47170169 17417
Source of the keplerian elements: McCants