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SBIRS GEO 3 (USA 273)

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NORAD ID: 41937
Int'l Code: 2017-004A
Perigee: 35,783.6 km
Apogee: 35,803.4 km
Inclination: 4.5 °
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   19177.46399434  .00000136  00000-0  00000+0 0  9992
2 41937   4.5001 312.2935 0002349 146.2033 183.4453  1.00272636  9057
Source of the keplerian elements: McCants