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| discoverer = [[Spacewatch]] ...estimated diameter of {{convert|320|m|sp=us}}.<ref name="Wayback2003-04"/> The asteroid was listed on [[Sentry (monitoring system)|Sentry Risk Table]] wit ...

| discoverer = [[Spacewatch]] ...h]] program at [[Kitt Peak National Observatory]] near Tucson, Arizona, in the United States.<ref name="MPC-object"/> ...

...e 4.2 meter diameter telescope is tracking the rapidly moving A/2017 U1 in the field of view. |url-status=live}}</ref>}} ...uamua: evidence for torque and disc-like shape|journal= Monthly Notices of the Royal Astronomical Society|year= 2019|volume= 489|issue= 3|pages= 3003–3021 ...