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NAVSTAR 57 (USA 183)

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    NAVSTAR 57 (USA 183) can be found in the following categories:
    GPS Operational

    NORAD ID: 28874
    Int'l Code: 2005-038A
    Perigee: 19,927.9 km
    Apogee: 20,450.6 km
    Inclination: 55.6 °
    Period: 718.0 minutes
    Semi major axis: 26560 km
    Launch date: September 26, 2005
    Source: United States (US)
    PRN: 17
    Comments: Navstar 57, also known as USA 183 and as GPS 2R-M1 (and as GPS 2R-14), was launched by a Delta 2 rocket from Cape Canaveral AFS at 03:37 UT on 26 September 2005. It has three more frequency channels (with two more military and one more civilian), and is more secure against jamming and radiation than the older models. It will be positioned in Slot 4 of Plane C, taking over the duties of the aging GPS 2A-20 (that was launched in May 1993). It is planned to replace all the older members of the 28-satellite fleet with the updated 2R-M versions in a few years. (The perigee will be raised from 266 km to about 20,000 km soon.)

    Two Line Element Set (TLE):

    1 28874U 05038A   14293.98199196  .00000015  00000-0  00000+0 0  2499
    2 28874 055.5887 081.6423 0098392 240.7187 113.5534 02.00564471 66444
    Source: AFSPC

    NASA's NSSDC Master Catalog entry for NAVSTAR 57 (USA 183)

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