MIDN: A spacecraft microdosimeter mission

V. L. Pisacane, J. F. Ziegler, M. E. Nelson, M. Caylor, D. Flake, L. Heyen, E. Youngborg, A. B. Rosenfeld, F. Cucinotta, M. Zaider, J. F. Dicello

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


MIDN (MIcroDosimetry iNstrument) is a payload on the MidSTAR-I spacecraft (Midshipman Space Technology Applications Research) under development at the United States Naval Academy. MIDN is a solid-state system being designed and constructed to measure microdosimetric spectra to determine radiation quality factors for space environments. Radiation is a critical threat to the health of astronauts and to the success of missions in low-Earth orbit and space exploration. The system will consist of three separate sensors, one external to the spacecraft, one internal and one embedded in polyethylene. Design goals are mass <3 kg and power <2 W. The MidSTAR-I mission in 2006 will provide an opportunity to evaluate a preliminary version of this system. Its low power and mass makes it useful for the International Space Station and manned and unmanned interplanetary missions as a real-time system to assess and alert astronauts to enhanced radiation environments.

Original languageEnglish (US)
Pages (from-to)421-426
Number of pages6
JournalRadiation Protection Dosimetry
Issue number1-4
StatePublished - Sep 2006

ASJC Scopus subject areas

  • Radiation
  • Radiological and Ultrasound Technology
  • Radiology Nuclear Medicine and imaging
  • Public Health, Environmental and Occupational Health


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