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USA 278

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NORAD ID: 42941
Int'l Code: 2017-056A
Perigee: 2,284.8 km
Apogee: 38,089.0 km
Inclination: 62.9 °
Period: 717.9 minutes
Semi major axis: 26557 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   25165.47189940 0.00000000  00000-0  00000-0 0    03
2 42941  62.9040 184.1614 6740770 269.2380  90.7620  2.00591119    01
Source of the keplerian elements: McCants