NAVSTAR 54 (USA 177)

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NAVSTAR 54 (USA 177) is classified as:

• Global Positioning System (GPS) Operational
• Global Positioning System (GPS) Constellation

NORAD ID: 28190
Int'l Code: 2004-009A
Perigee: 19,924.7 km
Apogee: 20,452.6 km
Inclination: 55.3 °
Period: 717.9 minutes
Semi major axis: 26559 km
RCS: 6.4243 m² (large)
Launch date: March 20, 2004
Source: United States (US)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)
PRN: 19

Navstar 54, also known as USA 177 and as GPS 2R-11 is an American navigational satellite in the GPS fleet. It was launched by a Delta 2 rocket from Cape Canaveral at 17:39 UT on 20 March 2004. Precise position data (accurate to within 16 m) to military and civilian users worldwide; constellation of 28 operational satellites; 6 orbit planes; corporate vehicle fleet tracking, surveying, recreational use; nuclear detonation detection sensors.

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1 28190U 04009A   25012.78258095 -.00000053  00000-0  00000-0 0  9996
2 28190  55.2723 296.6519 0099373 156.0440 138.3324  2.00571749152507

Source of the keplerian elements: AFSPC