Category:Explorer 3

**Explorer 3**
	American military research satellite
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Instance of	research satellite; military satellite; former entity;
Country of origin	United States of America;
Operator	Army Ballistic Missile Agency; Jet Propulsion Laboratory;
Start point	Cape Canaveral Launch Complex 5; Cape Canaveral;
Space launch vehicle	Juno I (RS-24);
UTC date of spacecraft launch	26 March 1958 (17:38:03);
Significant event	rocket launch (1958, Cape Canaveral Launch Complex 5); loss of signal (1958); atmospheric entry (1958);
Mass	14.06 kg (launch weight);
Diameter	0.15 m;
Length	2.03 m;
Authority file
	Q550613;
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Media in category "Explorer 3"

The following 3 files are in this category, out of 3 total.