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NAVSTAR 51 (USA 166)

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NAVSTAR 51 (USA 166) is classified as:


NORAD ID: 27663
Int'l Code: 2003-005A
Perigee: 19,960.3 km
Apogee: 20,416.2 km
Inclination: 56.8 °
Period: 717.9 minutes
Semi major axis: 26559 km
RCS: 7.9432 m2 (large)
Launch date: January 29, 2003
Source: United States (US)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)
PRN: 16

Navstar 51 (also known as USA 166, and as GPS 2R-8) is the latest to join the American (DoD) fleet of Global Positioning Satellites. It was launched by a Delta 2 rocket from Cape Canaveral at 18:06 UT on January 29 2003. The fleet is operating in full capacity with 24 spacecraft (in six planes, with four satellites in each). GPS 2R-8 will replace the aging GPS 2A-18, which will be shifted away in its Plane-B and then retired.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 27663U 03005A   16273.61064458 -.00000091 +00000-0 +00000-0 0  9996
2 27663 056.7602 355.0323 0085836 020.6632 264.9458 02.00576076100150
Source of the keplerian elements: AFSPC

N2YO: 937