Radiation RADMON aboard Aalto-1 CubeSat: First results

Jan Gieseler*, Philipp Oleynik, Heli Hietala, Rami Vainio, Hannu Pekka Hedman, Juhani Peltonen, Arttu Punkkinen, Risto Punkkinen, Tero Säntti, Edward Hæggström, Jaan Praks, Petri Niemelä, Bagus Riwanto, Nemanja Jovanovic, M. Rizwan Mughal

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)


The Radiation Monitor (RADMON) on-board Aalto-1 CubeSat is an energetic particle detector that fulfills the requirements of small size, low power consumption and low budget. Aalto-1 was launched on 23 June 2017 to a sun-synchronous polar orbit with 97.4° inclination and an average altitude of somewhat above 500 km. RADMON has been measuring integral particle intensities from October 2017 to May 2018 with electron energies starting at low-MeV and protons from 10 MeV upwards. In this paper, we present first electron and proton intensity maps obtained over the mission period. In addition, the response of RADMON measurements to magnetospheric dynamics are analyzed, and the electron observations are compared with corresponding measurements by the PROBA-V/EPT mission. Finally, we describe the RADMON data set, which is made publicly available.

Original languageEnglish
Pages (from-to)52-65
Number of pages14
JournalAdvances in Space Research
Issue number1
Early online date1 Jan 2019
Publication statusPublished - 1 Jul 2020
MoE publication typeA1 Journal article-refereed


  • CubeSat
  • Electron precipitation
  • Energetic particle telescope
  • Magnetosphere
  • Radiation belts


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