One of several replicas and backup Explorer-1 spacecraft in the collection. Explorer-1, also known as Satellite 1958 alpha, was the first American satellite to successfully orbit the earth. This sample is a full-size replica of the payload section attached to an empty fourth stage Sergeant solid fuel rocket motor. It was transferred to the Smithsonian Institution by the NASA Marshall Space Flight Center in August 1974.
Display Status
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin
United States of America
Type
SPACECRAFT-Uncrewed
Manufacturer
National Aeronautics and Space Administration
Dimensions
Overall: 6 1/2 in. wide x 80 3/4 in. deep (16.5 x 205.1cm)
Materials
Metal shell
Inventory Number
A19750665000
Credit Line
Transferred from the National Aeronautics and Space Administration
Data Source
National Air and Space Museum
Restrictions & Rights
Usage conditions apply
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