▁instruments , ▁attached ▁to ▁the ▁S - IV ▁upper ▁stage ▁of ▁the ▁car rier ▁ro cket ▁which ▁had ▁placed ▁it ▁into ▁orbit . ▁It ▁had ▁a ▁total ▁mass ▁of ▁, ▁and ▁was ▁equ ipped ▁with ▁two ▁sets ▁of ▁mic rom eteor oid ▁detection ▁pan els , ▁and ▁a ▁radio ▁for ▁tracking ▁and ▁returning ▁data . ▁The ▁pan els ▁were ▁ ▁long , ▁and ▁equ ipped ▁with ▁ 1 1 6 ▁individual ▁detect ors . ▁ ▁La unch ▁ ▁Peg as us ▁ 1 ▁was ▁launched ▁at op ▁a ▁Sat urn ▁I ▁ro cket , ▁serial ▁number ▁SA - 9 , ▁flying ▁from ▁La unch ▁Complex ▁ 3 7 B ▁at ▁the ▁Cape ▁Kennedy ▁Air ▁Force ▁Station . ▁The ▁launch ▁occurred ▁at ▁ 1 4 : 3 7 : 0 3 ▁UTC ▁on ▁ 1 6 ▁February ▁ 1 9 6 5 . ▁Following ▁launch , ▁Peg as us ▁ 1 ▁was ▁given ▁the ▁C OS PAR ▁design ation ▁ 1 9 6 5 - 0 0 9 A , ▁while ▁N OR AD ▁assigned ▁it ▁the ▁Sat ellite ▁Catalog ▁Number ▁ 0 1 0 8 5 . ▁ ▁Peg as us ▁ 1 ▁was ▁a ▁secondary ▁payload ▁of ▁Apol lo ▁program ▁mission ▁AS - 1 0 3 , ▁which ▁also ▁carried ▁a ▁bo iler plate ▁Apol lo ▁space craft ▁B P - 1 6 . ▁The ▁Apol lo ▁bo iler plate ▁acted ▁as ▁a ▁payload ▁fair ing ▁for ▁the ▁Peg as us ▁space craft , ▁which ▁was ▁stored ▁inside ▁what ▁would ▁have ▁been