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SBIRS GEO 3 (USA 273)

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NORAD ID: 41937
Int'l Code: 2017-004A
Perigee: 35,785.3 km
Apogee: 35,802.2 km
Inclination: 3.9 °
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   20098.52688274 +.00000107 +00000-0 +00000-0 0  9995
2 41937 003.9379 311.9354 0002005 073.0264 201.5507 01.00271875011926
Source of the keplerian elements: McCants