NAVSTAR 51 (USA 166)

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NAVSTAR 51 (USA 166) is classified as:

NORAD ID: 27663

Int'l Code: 2003-005A

Perigee: 19,811.7 km

Apogee: 20,568.8 km

Inclination: 55.0 °

Period: 718.0 minutes

Semi major axis: 26561 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.

1 27663U 03005A   25182.12365431  .00000014  00000-0  00000-0 0  9990
2 27663  54.9690 228.9204 0142517  50.2394 320.9342  2.00553521164275

Source of the keplerian elements: AFSPC