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...wn asteroid in an horseshoe orbit with Earth. It is, however, neither an [[Aten asteroid]] nor an [[Apollo asteroid]] because the [[semi-major axis]] of it |title = Physical Parameters of Asteroids Estimated from the WISE 3-Band Data and NEOWISE Post-Cryogenic Survey ...

...y Earth-crossing, either falling into the categories of an [[Aten asteroid|Aten-type]] orbit ([[semi-major axis|a]]&thinsp;<&thinsp;1&nbsp;AU) or an [[Apol ...ane2020"/><ref name="Naidu2020"/> Due to the [[Yarkovsky effect]] on small asteroids, the first precovery image being from 2018, and numerous approaches to the ...

..."Nature 27-6-2018" /> It has a rotation rate similar to the Solar System's asteroids, but many valid models permit it to be unusually more elongated than all bu ...pile) would require {{okina}}Oumuamua to be of a density similar to rocky asteroids,<ref>{{Cite journal |last1=McNeill |first1=Andrew |last2=Trilling |first2=D ...