Satellite, Explorer I

One of several replicas and backup Explorer spacecraft in the collection. It is a full-size replica that consists of a machined metal shell of the payload section devoid of instrumentation, and is attached to a Sergeant, propellant-less, solid fuel rocket motor. It was transferred to the Smithsonian Institution by the Army Ballistic Missile Agency in September 1958. Explorer-1, also known unofficially as Satellite 1958 alpha, was the first American satellite to orbit the earth.

Transferred from the U.S. Army Ballistic Missile Agency

Country of Origin
United States of America

Manufacturer
Jet Propulsion Laboratory, California Institute of Technology
U.S. Army Ballistic Missile Agency, Redstone Arsenal

Type
SPACECRAFT-Unmanned

Materials
painted metal
Dimensions
Overall: 83 1/2 in. tall x 6 1/4 in. wide (212.1 x 15.9cm)

One of several replicas and backup Explorer spacecraft in the collection. It is a full-size replica that consists of a machined metal shell of the payload section devoid of instrumentation, and is attached to a Sergeant, propellant-less, solid fuel rocket motor. It was transferred to the Smithsonian Institution by the Army Ballistic Missile Agency in September 1958. Explorer-1, also known unofficially as Satellite 1958 alpha, was the first American satellite to orbit the earth.

Transferred from the U.S. Army Ballistic Missile Agency

Country of Origin
United States of America

Manufacturer
Jet Propulsion Laboratory, California Institute of Technology
U.S. Army Ballistic Missile Agency, Redstone Arsenal

Type
SPACECRAFT-Unmanned

Materials
painted metal
Dimensions
Overall: 83 1/2 in. tall x 6 1/4 in. wide (212.1 x 15.9cm)

ID: A19610039000