NAVSTAR 24 (USA 79)

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NAVSTAR 24 (USA 79) is classified as:

• Global Positioning System (GPS) Constellation

NORAD ID: 21890
Int'l Code: 1992-009A
Perigee: 20,852.9 km
Apogee: 21,126.4 km
Inclination: 54.2 °
Period: 750.7 minutes
Semi major axis: 27360 km
RCS: 4.4212 m² (large)
Launch date: February 23, 1992
Source: United States (US)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)

Global Positioning System (GPS) was developed by the US Department of Defense to provide all-weather round-the-clock navigation capabilities for military ground, sea, and air forces. Since its implementation, GPS has also become an integral asset in numerous civilian applications and industries around the globe, including recreational used (e.g., boating, aircraft, hiking), corporate vehicle fleet tracking, and surveying. GPS employs 24 spacecraft in 20,200 km circular orbits inclined at 55 degrees. These vehicles are placed in 6 orbit planes with four operational satellites in each plane.

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1 21890U 92009A   25181.35296035  .00000062  00000-0  00000-0 0  9998
2 21890  54.2189 178.9635 0049969  54.7745 109.5170  1.91828726239347

Source of the keplerian elements: AFSPC