EPE-A

From Spacefaring




Explorer 12, also called EPE-A or Energetic Particles Explorer-A and as S3), was a NASA satellite built to measure the solar wind, cosmic rays, and the Earth's magnetic field. It was the first of the S-3 series of spacecraft, which also included Explorer 14, 15, and 26. It was launched on 16 August 1961, aboard a Thor-Delta launch vehicle. It ceased transmitting on 6 December 1961 due to power failure.

1963-09-30T00:00:00Z
1963-09-30T00:00:00Z
atmospheric entry
1961-08-16T00:00:00Z
1961-08-16T00:00:00Z
rocket launch
1961-12-06T00:00:00Z
1961-12-06T00:00:00Z
failure
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Explorer 12 final assemblyExplorer 12 final assembly
Explorer 12 - OrbitExplorer 12 - Orbit
Explorer 12 - Principal elementsExplorer 12 - Principal elements
Explorer 12 - Artist conceptExplorer 12 - Artist concept
Explorer 12 - Goddard Space Flight CenterExplorer 12 - Goddard Space Flight Center
Explorer 12 Aboard Delta 6Explorer 12 Aboard Delta 6
Explorer 12Explorer 12
    TypeSubtypeDateDescriptionNotesSource
    incidentincident[[1]]Wikidata
    commonsimageExplorer 12 final assembly Commons
    commonsimageExplorer 12 - Orbit Commons
    commonsimageExplorer 12 - Principal elements Commons
    commonsimageExplorer 12 - Artist concept Commons
    commonsimageExplorer 12 - Goddard Space Flight Center Commons
    commonsimageExplorer 12 Aboard Delta 6 Commons
    commonsimageExplorer 12 Commons