Discovery of asteroid 1976 AA
Asteroid 1976 AA was discovered as a result of a continuing systematic search for planet-crossing asteroids. It is the first asteroid to be thoroughly investigated by means of photometry and radiometry on its discovery apparition. It is also the first asteroid found with a semimajor axis and period...
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| Veröffentlicht in: | Icarus (New York, N.Y. 1962) N.Y. 1962), 1977-08, Vol.31 (4), p.415-419 |
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| Sprache: | eng |
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| container_end_page | 419 |
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| container_issue | 4 |
| container_start_page | 415 |
| container_title | Icarus (New York, N.Y. 1962) |
| container_volume | 31 |
| creator | Helin, E F Shoemaker, E M |
| description | Asteroid 1976 AA was discovered as a result of a continuing systematic search for planet-crossing asteroids. It is the first asteroid to be thoroughly investigated by means of photometry and radiometry on its discovery apparition. It is also the first asteroid found with a semimajor axis and period less than that of the earth and the first earth-crossing asteroid which does not cross the orbit of either Mars or Venus. According to estimates, there may be several tens of objects to absolute magnitude 18, which are exclusively earth crossing. Some of these objects might be exceptionally easy to reach by spacecraft. |
| doi_str_mv | 10.1016/0019-1035(77)90142-7 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 0019-1035 |
| ispartof | Icarus (New York, N.Y. 1962), 1977-08, Vol.31 (4), p.415-419 |
| issn | 0019-1035 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_22813991 |
| source | Elsevier ScienceDirect Journals |
| title | Discovery of asteroid 1976 AA |
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