A research satellite intended to study a number of space phenomenon. November 3, 1960 at 05:23 UTC · Launch Successful Juno II — National Aeronautics and Space Administration, to Medium Earth Orbit Launch Complex 26B, Cape Canaveral SFS, FL, USA The world's 84th orbital launch attempt, and 30th of 1960. Data: Launch Library 2, The Space Devs. Image via The Space Devs.