Tracking 19854 objects as of 23-Sep-2019
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SBIRS GEO 3 (USA 273)

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NORAD ID: 41937
Int'l Code: 2017-004A
Perigee: 35,782.0 km
Apogee: 35,803.4 km
Inclination: 4.3 °
Period: 1,436.0 minutes
Semi major axis: 42163 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   19265.51050102  .00000122  00000-0  00000+0 0  9997
2 41937   4.3330 312.0641 0002537 232.9322 200.5294  1.00275651  9936
Source of the keplerian elements: McCants