| Abstract: | Photographic coverage of about 80,000 deg2 of sky with the Palomar 46-cm Schmidt camera has yielded 12 new planet-crossing asteroids as well as many objects in the main asteroid belt. The estimated population of planet-crossing asteroids includes ???100 Atens, 700 ?? 300 Apollos, 1000-2000 Amors, 10,000 ?? 5000 Mars crossers, and ???5000 Mars grazers. ?? 1979. |
| Genre: | Article |
| ProdID: | 70012284 |
| Citation Author: | Helin, E. F.; Shoemaker, E. M. |
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| Citation End Page: | 328 |
| Citation Issue: | 3 |
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| Citation Language: | English |
| Citation Larger Work Title: | Icarus |
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| Citation Number Of Pages: | 8 |
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| Citation Search Results Text: | The Palomar planet-crossing asteroid survey, 1973-1978; 1979; Article; Journal; Icarus; Helin, E. F.; Shoemaker, E. M. |
| Citation Start Page: | 321 |
| Citation Volume: | 40 |
| Citation Year: | 1979 |
| Type: | citation/reference |
| Text: | The Palomar planet-crossing asteroid survey, 1973-1978; 1979; Article; Journal; Icarus; Helin, E. F.; Shoemaker, E. M. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Mon, 1 Jan 1979 00:00 -0600 |
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