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SBIRS GEO 3 (USA 273)

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NORAD ID: 41937
Int'l Code: 2017-004A
Perigee: 35,782.9 km
Apogee: 35,803.9 km
Inclination: 4.6 °
Period: 1,436.1 minutes
Semi major axis: 42164 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   19140.56536840 +.00000117 +00000-0 +00000-0 0  9997
2 41937 004.5698 312.4126 0002496 108.8707 220.7764 01.00273042008688
Source of the keplerian elements: McCants