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SBIRS GEO 3 (USA 273)

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NORAD ID: 41937
Int'l Code: 2017-004A
Perigee: 35,777.4 km
Apogee: 35,811.1 km
Inclination: 5.5 °
Period: 1,436.1 minutes
Semi major axis: 42165 km
RCS: Unknown
Launch date: January 21, 2017
Source: United States (US)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 41937U 17004A   18006.19423932 0.00000000  00000-0  00000-0 0    07
2 41937   5.4862 314.6754 0003986 260.4907  99.4715  1.00270000    00
Source of the keplerian elements: McCants