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USA 171

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USA 171 is classified as:


NORAD ID: 27937
Int'l Code: 2003-041A
Perigee: 35,600.3 km
Apogee: 35,988.2 km
Inclination: 9.3 °
Period: 1,436.1 minutes
Semi major axis: 42165 km
RCS: Unknown
Launch date: September 9, 2003
Source: United States (US)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)

USA 171 is an American geostationary military spacecraft. It is reported to be an ORION-class craft belonging to the National Reconnaissance Office. No further information is available.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 27937U 03041A   17165.26492422 0.00000000  00000-0  00000-0 0    00
2 27937   9.3237  66.2209 0045989 213.2931 146.4274  1.00270000    03
Source of the keplerian elements: McCants