OV1-8
…576-B-3 launch pad on 14 July 1966 at 02:10:02 UTC via Atlas D rocket, alongside the unsuccessful solar x-ray, nightglow, and charged particles satellite OV1-7. OV1-8's solid rocket motor delivered it to a nearly circular 1,000 km (620 mi) orbit, and 100 seconds later the satellite separated from its rocket…