
Copernical Team
Researchers study collective behavior of nanosatellites

Scientists from the Skoltech Space Center (SSC) have developed nanosatellite interaction algorithms for scientific measurements using a tetrahedral orbital formation of CubeSats that exchange data and apply interpolation algorithms to create local maps of physical measurements in real time. The study presents an example of geomagnetic field measurement, which shows that these data can be used by other satellites for attitude control and, therefore, provided on a data-as-a-service basis. The research was published in the journal Advances in Space Research.
SSC is the research lead within the Nanosatellites Swarm project ("Roy MKA") performed by a consortium of several Russian universities and included in the ISS experimental program led by RSC Energia. "Roy MKA" aims to deploy autonomous groups of CubeSats and verify their swarm behavior.
For one of the "Roy MKA" experiments, SSC researchers suggested a tetrahedral formation, which provides an ability to measure the geomagnetic field at any point on orbit. The system is fully autonomous, which means that satellites can process and update measurement data on board and predict magnetic field values by interpolation.
"We use the Kriging interpolation which helps to select the magnetic field values in accordance with its characteristics (autocorrelation).
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