Satellite Catalog Number

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The Satellite Catalog Number (also known as NORAD Catalog Number, NASA catalog number, USSPACECOM object number or simply Catalog number and similar variants) is a sequential 5-digit number assigned by USSPACECOM to all Earth orbiting satellites in order of identification. Before USSPACECOM, the catalog was maintained by NORAD. The first catalogued object, catalog number 00001, is the final stage of the rocket which launched Sputnik 1.

In December 2012 the NSSDC Master Catalog listed 6,916 satellites launched into orbit since 1957, the latest being Kwangmyŏngsŏng-3 Unit 2, on 12 December 2012.[1]

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  1. ^ NSSDC Master Catalog. Note: In searching all satellites, a few near-future satellites are included in the results. Retrieved: 2010-10-29.