NAVSTAR 51 (USA 166)

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NAVSTAR 51 (USA 166) is classified as:

NORAD ID: 27663

Int'l Code: 2003-005A

Perigee: 19,828.2 km

Apogee: 20,551.0 km

Inclination: 55.2 °

Period: 718.0 minutes

Semi major axis: 26560 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   23342.74705392 -.00000004  00000-0  00000-0 0  9998
2 27663  55.1946 251.6163 0136061  45.5531 327.4126  2.00560595152836

Source of the keplerian elements: AFSPC