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BEESAT-5/-6/-7/-8
Point of Contact | Dipl.-Ing. Frank Baumann |
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Distributed satellite systems like mega-constellations, formation flying or swarms enable novel applications, but they are only economical when using highly miniaturized but still high-capacity spacecrafts. Miniaturization is achieved by multifunction component assembly, the utilization of commercial off-the-shelf parts as well as the implementation of power supply and communication buses.
Essential functions of a distributed system are the communication and the relative navigation among the satellites. At TU Berlin a picosatellite swarm mission is developed consisting of the four quarter-unit CubeSats BEESAT-5 to BEESAT-8 with a mass of 375 grams each. The picosatellites were designed fully redundant and almost complete single-fault tolerant.
The primary mission objective is to demonstrate a newly developed communications subsystem in the UHF band and an experimental GNSS receiver. Furthermore, the satellites contain a multifunction optical attitude determination sensor and are equipped with corner cube reflectors on all sides for laser ranging from ground.
The satellites will be launched into a sun-synchronous orbit in 2020. The flight results and the verified components will be used for future nanosatellite formation and swarm missions of TU Berlin. The identical flight spare models BEESAT-10 to BEESAT-13 were launched in advance on 2019-07-05 with Soyuz-Fregat free of charge by EXOLAUNCH GmbH.
Publications
- Baumann, F.; Korn, N.; Pirschel, K.; Wolf, R.; Brieß, K. (2017). A Picosatellite Swarm for Technology Demonstration (IAC-17-B4.6B.7). 68th International Astronautical Congress (IAC), Adelaide (Australia), 25–29 September.
- Korn, N.; Baumann, F.; Wolf, R.; Brieß, K. (2017). Multifunctional Optical Attitude Determination Sensor for Picosatellites (IAC-17-C1.1.9). 68th International Astronautical Congress (IAC), Adelaide (Australia), 25–29 September.
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Prof. Dr.-Ing. Dieter PeitschTel. +49 30 314-22878
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