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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: 1,648.1 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   24140.86905842  .00028845  00000-0  16310-2 0  9999
2 16631  63.2928 340.3591 0869354  97.5665 272.4880 13.70006288239490
Source of the keplerian elements: McCants