SL-9
SL-9 may refer to: Proton rocket, type 8K82, used from 1965-1966 Heckler & Koch SL8, a semi-automatic rifle Comet Shoemaker–Levy 9 Schütte-Lanz SL.9 An Imperial German Army WWI airship. (88710) 2001 SL9, a sub-kilometer asteroid and binary system