Explorer 1
Explorer 1 was the first satellite launched by the United States in 1958 and was part of the U.S. participation in the International Geophysical Year (IGY). The mission followed the first two satellites, both launched by the Soviet Union duri ...
was the first American satellite to reach orbit on 31 January 1958.
Overview
Orbital and Suborbital flights
Orbital launch statistics
By country
By rocket
By type and configuration
By family
By launch site
By orbit
See also
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Timeline of spaceflight
This is a timeline of known spaceflights, both crewed and uncrewed, sorted chronologically by launch date. Due to its large size, the timeline has been split into smaller articles, one for each year since 1951. There is a separate list for ...
References
Footnotes
{{Orbital launches in 1958
1958 in spaceflight
Spaceflight by year