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BEESAT-5/-6/-7/-8
Point of
Contact | Dipl.-Ing. Frank Baumann
[1] |
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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 on 22nd of March 2021. 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.
Fachgebietsleitung
Prof. Dr.-Ing. Enrico StollTel. +49 30 314-21339
Room F 515
sekretariat@rft.tu-berlin.de [3]
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