US Army SM-65B Atlas SCORE
SM-65B Atlas
Status
Success
Date
18 DEC 1958
23:02
Mission Overview
SCORE or Signal Communications by Orbiting RElay was the world first purpose built communications satellite. It provided a second test of a communications relay system after the first being provided by Pioneer 1.
Rocket
SM-65B Atlas
Mission Type
Communications
Orbit
Low Earth Orbit
Stages
1
Livestream
Not availableRocket Details
The Convair SM-65B Atlas, or Atlas B, also designated X-12 was a prototype of the Atlas missile. First flown on 19 July 1958, the Atlas B was the first version of the Atlas rocket to use the stage and a half design with an operational sustainer engine and jettisonable rocket booster section. Unlike later Atlas models, the Atlas B used explosive bolts to jettison the booster section.
Height
31.4 m
Diameter
3.66 m
Launch Mass
3 T