Elektron was one of the earliest Soviet scientific satellite missions to be authorized following the initial Sputnik (D-1) series. January 30, 1964 at 09:45 UTC · Launch Successful Vostok-K — Soviet Space Program, to Elliptical Orbit 1/5, Baikonur Cosmodrome, Republic of Kazakhstan The world's 299th orbital launch attempt, and 6th of 1964. Data: Launch Library 2, The Space Devs. Image via The Space Devs.