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USA 171

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USA 171 is classified as:


NORAD ID: 27937
Int'l Code: 2003-041A
Perigee: 35,592.6 km
Apogee: 35,995.9 km
Inclination: 9.1 °
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   17051.58150583 0.00000000  00000-0  00000-0 0    08
2 27937   9.1038  67.8901 0047821 202.9672 156.8297  1.00270000    00
Source of the keplerian elements: McCants