The OGO (Orbiting Geophysical Observatory) series was a series of large, complex research satellites. September 5, 1964 at 01:23 UTC · Launch Successful Atlas LV-3 Agena B — United States Air Force, to Elliptical Orbit Launch Complex 12, Cape Canaveral SFS, FL, USA The world's 357th orbital launch attempt, and 64th of 1964. Data: Launch Library 2, The Space Devs. Image by NASA (NASA Image and Media Guidelines) via The Space Devs.