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USA 18

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USA 18 is classified as:


NORAD ID: 16631
Int'l Code: 1986-014H
Perigee: 368.5 km
Apogee: 1,777.0 km
Inclination: 63.3 °
Period: 106.5 minutes
Semi major axis: 7443 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   22142.73638989  .00011840  00000-0  74337-3 0  9991
2 16631  63.2892 137.3239 0946085  82.8574 287.8913 13.51800042140482
Source of the keplerian elements: McCants