an or ▁Hel in ▁at ▁the ▁Pal om ar ▁Observ atory ▁in ▁California , ▁United ▁States . ▁The ▁astero id ▁was ▁named ▁after ▁American ▁space ▁phys ic ist ▁Geoff rey ▁A . ▁Brig gs . ▁ ▁Or bit ▁and ▁classification ▁▁ ▁Brig gs ▁is ▁a ▁member ▁of ▁the ▁A la uda ▁family ▁( ), ▁a ▁large ▁family ▁of ▁typically ▁bright ▁carbon ace ous ▁astero ids ▁and ▁named ▁after ▁its ▁parent ▁body , ▁ 7 0 2   A la uda . ▁ ▁It ▁or bits ▁the ▁Sun ▁in ▁the ▁outer ▁main - b elt ▁at ▁a ▁distance ▁of ▁ 2 . 9 – 3 . 4   AU ▁once ▁every ▁ 5 ▁years ▁and ▁ 7 ▁months ▁( 2 , 0 4 8 ▁days ). ▁Its ▁orbit ▁has ▁an ▁ecc ent ric ity ▁of ▁ 0 . 0 8 ▁and ▁an ▁incl ination ▁of ▁ 2 2 ° ▁with ▁respect ▁to ▁the ▁e cli ptic . ▁The ▁first ▁prec overy ▁was ▁obtained ▁at ▁El ▁Leon cito ▁in ▁ 1 9 6 9 , ▁extending ▁the ▁astero id ' s ▁observation ▁arc ▁by ▁ 1 7 ▁years ▁prior ▁to ▁its ▁discovery . ▁ ▁Light cur ves ▁▁ ▁A ▁rot ational ▁light cur ves ▁of ▁this ▁astero id ▁was ▁obtained ▁from ▁phot ometric ▁observations ▁made ▁by ▁American ▁astronom er ▁Brian ▁Warner ▁at ▁his ▁Pal mer ▁Div ide ▁Observ atory ▁() ▁in ▁September ▁ 2 0 0 3 . ▁The ▁re vised ▁light cur ve ▁showed ▁a ▁rotation ▁period ▁of ▁ ▁hours ▁with ▁a ▁bright ness