▁of ▁ 5 ° ▁with ▁respect ▁to ▁the ▁e cli ptic . ▁ ▁As ▁an ▁Am or ▁astero id , ▁it ▁approaches ▁the ▁orbit ▁of ▁Earth ▁from ▁the ▁outside ▁but ▁does ▁not ▁cross ▁it . ▁It ▁has ▁an ▁Earth ▁minimum ▁orbit ▁intersection ▁distance ▁of ▁, ▁which ▁corresponds ▁to ▁ 9 0 . 9 ▁lun ar ▁distances . ▁The ▁astero id ' s ▁observation ▁arc ▁begins ▁with ▁its ▁official ▁discover ing ▁observation ▁at ▁Z immer wald . ▁ ▁Phys ical ▁characteristics ▁▁ ▁In ▁the ▁Th olen ▁classification ▁B elt rov ata ▁is ▁a ▁S Q - type ▁astero id , ▁an ▁intermediate ▁between ▁the ▁common ▁S - type ▁and ▁Q - type ▁astero ids . ▁ ▁Rot ation ▁period ▁▁ ▁A ▁first ▁rot ational ▁light cur ve ▁of ▁B elt rov ata ▁was ▁obtained ▁from ▁photo elect ric ▁observations ▁made ▁by ▁U . S . ▁astronom ers ▁Edward ▁Bow ell ▁and ▁Sch elte ▁Bus ▁in ▁the ▁ 1 9 7 0 s ▁( ), ▁and ▁gave ▁a ▁rotation ▁period ▁of ▁ ▁hours ▁with ▁a ▁bright ness ▁variation ▁of ▁ 0 . 8 4 ▁magnitude ▁( ). ▁In ▁ 2 0 0 0 , ▁the ▁Near - E arth ▁Object s ▁Follow - up ▁Program ▁published ▁an ▁identical ▁period ▁but ▁with ▁a ▁higher ▁amplitude ▁of ▁ 1 . 0 5 ▁magnitude . (). ▁ ▁Diam eter ▁and ▁al bed o ▁▁ ▁According ▁to ▁the ▁space - based ▁survey ▁carried ▁out ▁by ▁the ▁NE OW I SE ▁mission ▁of ▁NASA ' s ▁W ide - field