▁Sol ar ▁System ▁Ex pl oration ▁and ▁became ▁its ▁co - ch air man . ▁He ▁was ▁on ▁the ▁imag ing ▁teams ▁for ▁the ▁Mar iner , ▁Vik ing ▁and ▁Vo y ager ▁miss ions . ▁Brig gs ▁continued ▁to ▁promote ▁space - related ▁accomplish ments ▁to ▁the ▁public ▁at ▁the ▁Air ▁and ▁Space ▁Museum . ▁The ▁approved ▁naming ▁c itation ▁was ▁published ▁by ▁the ▁Minor ▁Planet ▁Center ▁on ▁ 2 7 ▁June ▁ 1 9 9 1 ▁( ). ▁ ▁References ▁ ▁External ▁links ▁▁▁▁▁ ▁Light cur ve ▁plot ▁of ▁ 4 2 0 9 ▁Brig gs , ▁Pal mer ▁Div ide ▁Observ atory , ▁B . ▁D . ▁Warner ▁( 2 0 0 3 ) ▁ ▁Encyclopedia ▁A str onaut ica ▁– ▁Brig gs , ▁Geoff rey ▁A ▁ ▁Ast ero id ▁Light cur ve ▁Database ▁( LC DB ), ▁query ▁form ▁( info ) ▁ ▁Dictionary ▁of ▁Minor ▁Planet ▁Names , ▁Google ▁books ▁ ▁Ast ero ids ▁and ▁com ets ▁rotation ▁curves , ▁C d R ▁– ▁Observ atoire ▁de ▁Gen ève , ▁Ra oul ▁Be hr end ▁ ▁Disc overy ▁Circ um st ances : ▁Number ed ▁Minor ▁Plan ets ▁( 1 )- ( 5 0 0 0 ) ▁– ▁Minor ▁Planet ▁Center ▁▁▁▁▁▁ 0 0 4 2 0 9 ▁Category : Dis cover ies ▁by ▁Ele an or ▁F . ▁Hel in ▁Category : Min or ▁plan ets ▁named ▁for ▁people ▁Category : Named ▁minor ▁plan ets ▁ 1 9 8 6 1 0 0 4 <0x0A> </s>