Launch Success
Liftoff Time (GMT)
20:21:00
Tuesday January 31, 1961
The Samos E or SAMOS ("Satellite and Missile Observation System") program was a relatively short-lived series of reconnaissance satellites for the United States in the early 1960s, also used as a cover for the initial development of the KH-7 Gambit system.
Low Earth Orbit
1 Payload
4th
Mission
1st
Mission of 1961
1st
Orbital launch attempt