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USA 278

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NORAD ID: 42941
Int'l Code: 2017-056A
Perigee: 2,022.4 km
Apogee: 38,346.9 km
Inclination: 63.6 °
Period: 717.8 minutes
Semi major axis: 26555 km
RCS: Unknown
Launch date: September 24, 2017
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 42941U 17056A   18191.66188158 0.00000000  00000-0  00000-0 0    05
2 42941  63.6456 137.1350 6839311 267.8613  19.1123  2.00617000    09
Source of the keplerian elements: McCants