dc.contributor.author |
Yeomans, D. K. |
en_US |
dc.contributor.author |
Chodas, P. W. |
|
dc.date.accessioned |
2004-09-26 |
|
dc.date.available |
2004-09-26 |
|
dc.date.issued |
1997-07-28 |
en_US |
dc.identifier.citation |
Cambridge, Massachusetts, USA |
en_US |
dc.identifier.clearanceno |
97-0767 |
en_US |
dc.identifier.uri |
http://hdl.handle.net/2014/22293 |
|
dc.description.abstract |
Of 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. |
en_US |
dc.format.extent |
10907 bytes |
|
dc.format.mimetype |
application/pdf |
|
dc.language.iso |
en_US |
|
dc.subject.other |
Earth Crossing Asteriods Earth collision trajectory Apollo asteriod |
en_US |
dc.title |
Impact Warning Times for Earth Crossing Asteriods |
en_US |