Explorer 3.
Category. Statistic.
Launch vehicle. Juno I.
Launch date. March 26, 1958.
Launch site. Cape Canaveral LC-5.
Ceased operations. June 27, 1958.
Owner(s). Army Ballistic Missile Agency (ABMA).
Major contractor(s). Jet Propulsion Laboratory.
Is it still in orbit. Burnt up on June 27, 1958.
Launch mass. 14.1 kilograms (31 lb).
Nationality(s). American.
Satellite type. Earth science.
Links., and

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