REFERENCES
- 1. Information about cataloged space objects is available through Space-Track, at http://www.space-track.org.
- 2. NASA Orbital Debris Program Office, Orbital Debris Quarterly News 11 (2), April 2007, p. 10, available at http://orbitaldebris.jsc.nasa.gov/newsletter/pdfs/ODQNv11i2.pdf.
- 3. L. Grego , “A History of Anti-Satellite Weapons Programs,” Union of Concerned Scientists Background Paper, 9 April 2003, available at http://www.ucsusa.org/global_security/space_weapons/a-history-of-asat-programs.html.
- 4. Inter-Agency Space Debris Coordination Committee, IADC Space Debris Mitigation Guidelines, 15 October 2002, available at http://www.iadc-online.org/docs_pub/IADC-101502.Mit.Guidelines.pdf.
- 5. Ref. 2, p. 1.
- 6. NASA Orbital Debris Program Office, Orbital Debris Quarterly News 11 (1), January 2007, p. 8, available at http://orbitaldebris.jsc.nasa.gov/newsletter/pdfs/ODQNv11i1.pdf.
- 7. NASA Orbital Debris Program Office, Orbital Debris Quarterly News 9 (2), April 2005, p. 1, available at http://orbitaldebris.jsc.nasa.gov/newsletter/pdfs/ODQNv9i2.pdf.
- 8. NASA Orbital Debris Program Office, Orbital Debris Quarterly News 7 (3), July 2002, p. 1, available at http://orbitaldebris.jsc.nasa.gov/newsletter/pdfs/ODQNv7i3.pdf.
- 9. Ref. 7, p. 2.
- 10. J. -C Liou , N. L. Johnson , “Instability of the Present LEO Satellite Populations,” paper presented at the 36th Scientific Assembly of COSPAR, Beijing, China, 16-23 July 2006, available at http://ntrs.nasa.gov/index.jsp?method=order&oaiID=20060024585.
- 11. D. Kessler , Adv. Space Res. 11(12), 63 (1991). https://doi.org/10.1016/0273-1177(91)90543-S , Crossref
- 12. J. -C. Liou , N. L. Johnson , Science 311, 340 (2006). https://doi.org/10.1126/science.1121337 , Crossref, CAS
- 13.
D. Wright ,
L. Grego ,
L. Gronlund , The Physics of Space Security: A
Reference Manual, American Academy of Arts and
Sciences, Cambridge, MA
(2005), p. 117, available at http://www.amacad.org/publications/rulesSpace.aspx ,
. - 14. N. L. Johnson , P. H. Krisko , J. -C. Liou , P. D. Anz-Meador , Adv. Space Res. 28, 1377 (2001). https://doi.org/10.1016/S0273-1177(01)00423-9 , Crossref
- 15. W. Ting , INESAP Information Bulletin no. 26, June 2006, p. 60, available at http://www.inesap.org/bulletin26/art14.htm.
- 16. Union of Concerned Scientists Satellite Database, http://www.ucsusa.org/global_security/space_weapons/satellite_database.html.
- © 2007 American Institute of Physics.

