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

    NORAD ID: 20322
    Int'l Code: 1989-089A
    Perigee: 877.8 km
    Apogee: 891.9 km
    Inclination: 99.0 °
    Period: 102.5 minutes
    Semi major axis: 7255 km
    Launch date: November 18, 1989
    Source: United States (US)
    Comments: The purpose of the Cosmic Background Explorer (COBE) mission was to take precise measurements of the diffuse radiation between 1 micrometer and 1 cm over the whole celestial sphere. The following quantities were measured: (1) the spectrum of the 3 K radiation over the range 100 micrometers to 1 cm; (2) the anisotropy of this radiation from 3 to 10 mm; and, (3) the spectrum and angular distribution of diffuse infrared background radiation at wavelengths from 1 to 300 micrometers.

    Two Line Element Set (TLE):

    1 20322U 89089A   14297.68649669 -.00000147  00000-0 -63981-4 0  4507
    2 20322 098.9910 308.7635 0009698 081.7961 052.3059 14.04666404277660
    Source: AFSPC

    NASA's NSSDC Master Catalog entry for COBE

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