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    VANGUARD 1 can be found in the following categories:
    Space & Earth Science

    NORAD ID: 5
    Int'l Code: 1958-002B
    Perigee: 657.2 km
    Apogee: 3,845.0 km
    Inclination: 34.3 °
    Period: 132.8 minutes
    Semi major axis: 8622 km
    Launch date: March 17, 1958
    Source: United States (US)
    Comments: Vanguard 1 was a small earth-orbiting satellite designed to test the launch capabilities of a three-stage launch vehicle and the effects of the environment on a satellite and its systems in Earth orbit. It also was used to obtain geodetic measurements through orbit analysis.

    Two Line Element Set (TLE):

    1 00005U 58002B   14250.34601720 -.00000024  00000-0 -52560-4 0  2594
    2 00005 034.2556 247.1220 1848672 218.8229 126.4125 10.84384403976196
    Source: AFSPC

    NASA's NSSDC Master Catalog entry for VANGUARD 1

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