Matches in DBpedia 2016-04 for { ?s ?p "(415029) 2011 UL21 (provisionally known as 2011 UL21) is an Apollo class potentially hazardous asteroid (PHA) discovered on October 17, 2011 by the Catalina Sky Survey project. The asteroid is estimated to have a diameter of 2.5 kilometres (1.6 mi). It was rated at Torino Scale 1 on October 27, 2011 with an observation arc of 9.6 days. (415029) 2011 UL21 briefly had about a 1 in a million chance of impacting in 2029."@en }
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- (415029)_2011_UL21 comment "(415029) 2011 UL21 (provisionally known as 2011 UL21) is an Apollo class potentially hazardous asteroid (PHA) discovered on October 17, 2011 by the Catalina Sky Survey project. The asteroid is estimated to have a diameter of 2.5 kilometres (1.6 mi). It was rated at Torino Scale 1 on October 27, 2011 with an observation arc of 9.6 days. (415029) 2011 UL21 briefly had about a 1 in a million chance of impacting in 2029.".
- Q4622750 comment "(415029) 2011 UL21 (provisionally known as 2011 UL21) is an Apollo class potentially hazardous asteroid (PHA) discovered on October 17, 2011 by the Catalina Sky Survey project. The asteroid is estimated to have a diameter of 2.5 kilometres (1.6 mi). It was rated at Torino Scale 1 on October 27, 2011 with an observation arc of 9.6 days. (415029) 2011 UL21 briefly had about a 1 in a million chance of impacting in 2029.".