Autonomous Space Traffic Management Technologies for Small Spacecraft Swarms and Constellations

Syrnatec proposes a novel robust solution for the “Onboard Devices for Deorbit and/or Disposal of Single Spacecraft” via the development of a hardware-based energy harvesting and controller module for electrodynamic-tether (EDT) systems. Recently, passive EDTs have successfully demonstrated deorbit of small spacecraft (e.g., Millennium Space System’s Dragracer mission in 2021). Our proposed module will enable these passive EDT de-orbit systems to perform controlled deorbit/disposal as well as to harvest the energy generated during deorbit for mission-enabling and -enhancing objectives. The module will leverage Syrnatec’s radiation-tolerant, high-voltage, high-power MOSFETs for tether current switching and control and in the harvesting of electrical energy from the EDT. Our system will enable EDT control throughout the disposal process, protecting against collisions and interferences with both active and inactive spacecraft and debris. The module could be included as part of a dedicated de-orbit system or it could be an integral component of a debris tug deorbit system, enabling multiple debris objects to be de-orbited.

NASA APPLICATIONS The target applications/ mission identified for NASA programs include: Artemis, Mars Mission, Human Space flight, Jovian Moon, Saturn Satellite Subsystem Lunar and planetary surface power distribution. Feed systems development for the NASA Kilo power project.

NON-NASA APPLICATIONS • European Space Agency (ESA) • Indian Space Research Organization (ISRO) • Military; Surveillance service • International Space Station • Earth-observation satellites for Surface, Environment, and Weather • SmallSat swarms and constellations of commercial companies: SpaceX, OneWeb, Theia Space, Boeing, Amazon Kuiper, Inmarsat

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