Transit 4A

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Transit 4A.

Category.	Statistic.
Launch vehicle.	Thor DM-21 Ablestar 313/AB-007 rocket.
Launch date.	June 29, 1961.
Launch site.	Cape Canaveral LC-17B.
Ceased operations.	July 9, 1962.
Owner(s).	.
Major contractor(s)	.
Is it still in orbit.	.
Launch mass.	.
Nationality(s).	American.
Satellite type.	.
Links.	https://nssdc.gsfc.nasa.gov/nmc/spacecraft/display.action?id=1961-031A, https://space.skyrocket.de/doc_sdat/transit-4.htm, https://en.wikipedia.org/wiki/Systems_for_Nuclear_Auxiliary_Power and https://en.wikipedia.org/wiki/Transit_(satellite).

It was electronically destroyed by the United States Starfish Prime high-altitude nuclear test on July 9, 1962 and subsequent post detonation radiation belt it caused. It uses a SNAP-3 RTG atomic reactor as it's main power source.

• Also see: Space satellites.