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Impact Warning Times for Earth Crossing AsteriodsOf the ~100 numbered Earth crossing asteriods (ECAs), none is predicted to impact the Earth within the next 200 years. It is more difficult to make definitive predictions for unnumberted ECAs because their orbits are not accurately known.
Document ID
20060035330
Acquisition Source
Jet Propulsion Laboratory
Document Type
Preprint (Draft being sent to journal)
External Source(s)
hdl:2014/22293
Authors
Yeomans, D. K.
Chodas, P. W.
Date Acquired
August 23, 2013
Publication Date
July 28, 1997
Subject Category
Astrodynamics
Distribution Limits
Public
Copyright
Other
Keywords
Earth Crossing Asteriods Earth collision trajectory Apollo asteriod

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