2 0 2 0 , ▁the ▁astero id ▁will ▁approach ▁Mars ▁on ▁ 2 8 ▁June ▁ 2 0 2 0 , ▁from ▁a ▁distance ▁of ▁. ▁The ▁next ▁two ▁Earth ▁enc oun ters ▁by ▁ ▁will ▁occur ▁in ▁February ▁ 2 0 2 2 ▁and ▁ 2 0 2 4 , ▁with ▁approach ▁distances ▁of ▁ 0 . 1 8   AU ▁and ▁ 0 . 3 4   AU , ▁respectively . ▁ ▁Phys ical ▁characteristics ▁ ▁In ▁A reci bo ▁delay - Do pp ler ▁rad ar ▁observations ▁from ▁ 4 ▁January ▁to ▁ 5 ▁January ▁ 2 0 2 0 , ▁ ▁was ▁resolved ▁at ▁a ▁resolution ▁of ▁ 7 . 5   met ers   per   p ixel , ▁allowing ▁for ▁direct ▁measurements ▁of ▁the ▁astero id ' s ▁physical ▁properties . ▁Rad ar ▁images ▁show ▁that ▁ ▁is ▁at ▁least ▁ ▁in ▁diameter , ▁imp lying ▁a ▁geometric ▁al bed o ▁or ▁reflect ivity ▁of ▁ 0 . 3 0 ▁given ▁its ▁absolute ▁magnitude ▁of ▁ 2 0 . 6 . ▁ ▁appears ▁to ▁have ▁a ▁nearly ▁s ph ero idal ▁shape , ▁which ▁is ▁commonly ▁observed ▁in ▁other ▁near - E arth ▁objects ▁such ▁as ▁ ▁and ▁ 1 0 1 9 5 5 ▁B enn u . ▁The ▁rotation ▁of ▁ ▁has ▁not ▁been ▁fully ▁observed ▁in ▁detail ▁due ▁to ▁rad ar ▁projection ▁effects , ▁thus ▁only ▁constraints ▁on ▁its ▁rotation ▁period ▁can ▁be ▁made . ▁From ▁rad ar ▁observations ▁sp anning ▁two ▁days