[1] It had a total mass of 10,323 kilograms (22,758 lb),[2] and was equipped with two sets of micrometeoroid detection panels, and a radio for tracking and returning data.

[1] The panels were 29 metres (95 ft) long, and equipped with 116 individual detectors.

[3] Pegasus 3 was launched atop a Saturn I rocket, serial number SA-10,[4] flying from Launch Complex 37B at the Cape Kennedy Air Force Station.

[5] Following launch, Pegasus 3 was given the COSPAR designation 1965-060A, whilst NORAD assigned it the Satellite Catalog Number 01467.

Upon reaching orbit, the boilerplate Command and Service modules were jettisoned.