Small satellite launched into an eccentric orbit with a cosmic ray counter and a micrometeorite detector. March 26, 1958 at 17:38 UTC · Launch Successful Juno-I — Army Ballistic Missile Agency, to Elliptical Orbit Launch Complex 26A, Cape Canaveral SFS, FL, USA The world's 8th orbital launch attempt, and 5th of 1958. Data: Launch Library 2, The Space Devs. Image by NASA (NASA Image and Media Guidelines) via The Space Devs.