Transit 5E-1, International Designator 1963-038C, is an artificial satellite of the United States Department of Defense and launched on September 28, 1963, aboard a Thor rocket from the Vandenberg Air Force Base.

[1] Transit 5E-1 was launched to study charged particles, magnetic fields and solar spectra, as well as for geodetic research.

[2] It was launched to a polar orbit, from where it did geomagnetic and geodetic measurements.

Electrical power was produced by four solar panels.

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