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: 20,852.6 km

Apogee: 21,126.8 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.

1 21890U 92009A   25198.47181297  .00000101  00000-0  00000+0 0  9995
2 21890  54.2194 178.3438 0050109  55.0620  51.6305  1.91828542239817

Source of the keplerian elements: AFSPC