Editing (29075) 1950 DA (section)

== Discovery and nomenclature ==
{{mp|1950 DA}} was first discovered on 23 February 1950 by [[Carl A. Wirtanen]] at [[Lick Observatory]].<ref name=jpldata/> It was observed for seventeen days<ref name="Giorgini-2002" /> and then [[Lost asteroid|lost]] because this short observation arc resulted in large uncertainties in Wirtanen's orbital solution. On 31 December 2000, it was recovered at [[LONEOS|Lowell Observatory]] and was announced as {{mp|2000 YK|66}} on 4 January 2001.<ref>{{cite web|url=https://minorplanetcenter.net/mpec/K01/K01A22.html|title=MPEC 2001-A22 : 2000 YK66|publisher=Minor Planet Center|date=4 January 2001|access-date=23 February 2018}}</ref> Just two hours later it was recognized as {{mp|1950 DA}}.<ref name="Giorgini-2002" /><ref>{{cite web|url=https://minorplanetcenter.net/mpec/K01/K01A26.html|title=MPEC 2001-A26 : 1950 DA = 2000 YK66|publisher=Minor Planet Center|date=4 January 2001|access-date=23 February 2018}}</ref>