Planetary Defense Coordination Office

PDCO Flight Project Development

PDCO Public Presentations

Journalist PDCO Workshop (March 2019)
PDCO Presentation (December 2018)

Center for Near-Earth Object Studies

For information on NEO basics, search statistics, close approach data and future orbit analysis, as well as fireballs/meteors, accessible NEAs, and more, visit the Center for NEO Studies (CNEOS).

Interagency Coordination

International Coordination

Fact Sheets

More Resources

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Supporting Documents

National Policy and Planning

Studies and Findings on NEO Survey, Characterization, and Mitigation

Impact Emergency Response Coordination and Exercises

Links to other supporting documents can be found at
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