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: 19,943.3 km
Apogee: 20,433.9 km
Inclination: 56.2 °
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   18320.41867743 -.00000086 +00000-0 +00000-0 0  9992
2 28190 056.2209 025.5100 0092357 074.9195 018.7935 02.00571782107430

Source of the keplerian elements: AFSPC