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Date: 2014-06-17 03:16:22Near-Earth objects Satellites Space debris Human spaceflight United States Space Surveillance Network Donald J. Kessler Inter-Agency Space Debris Coordination Committee Low Earth orbit Space environment Spaceflight Space Litter | Microsoft Word - b011dc99-8408-4d54-87b1-5a647cceabf8_in_for_PDF_printing.docxAdd to Reading ListSource URL: www.unoosa.orgDownload Document from Source WebsiteFile Size: 501,87 KBShare Document on Facebook |