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Thor Delta E1 | Isis 1

Thor Delta E1 | Isis 1

Status: Success  |  Launched: Jan 30, 1969 06:46 UTC

Launch Provider & Rocket

Mission

ISIS 1 (International Satellite for Ionosphere Studies) was an ionospheric observatory instrumented with sweep- and fixed-frequency ionosondes, a VLF receiver, energetic and soft particle detectors, an ion mass spectrometer, an electrostatic probe, an electrostatic analyzer, a beacon transmitter, and a cosmic noise experiment.

  • Type: Earth Science
  • Orbit: Elliptical Orbit (Elliptical)

Launch Site

  • Pad: Space Launch Complex 2E
  • Location: Vandenberg SFB, CA, USA
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Launch data sourced automatically from the Launch Library 2 API. Last refreshed: 2026-10-07T01:00:56.820087+00:00.