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TechnoSat

Nanosatellite for the Demonstration and Verification of Novel Components and Subsystems
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The TechnoSat project, which is funded by the German Aerospace Center (DLR), aims to design, build and launch a nanosatellite. Primary mission objective of the TechnoSat mission is the demonstration and verification of newly designed components and subsystems for nanosatellites. The secondary mission objective is the design and operation of the adaptive and reusable nanosatellite platform TUBiX20. The adaptivity implies in this case that the platform can be adjusted to different payloads, orbits and mission scenarios. TechnoSat itself has a mass of approximately 20 kg and measures about 305 x 465 x 465 mm without antennas.

Lupe

TechnoSat carries several payloads:

 

S Band Transmitter HiSPiCO

HiSPiCO is a transmitter system for S band communication links from small satellites to ground developed by IQ wireless GmbH in cooperation with Technische Universität Berlin. The wideband downlink system provides 1 Mbps net data rate with a transmission power of 27 dBm at 5 W power consumption. These technical parameters can be adapted to various requirements by project specific firmware configurations.

The HiSPICO transmitter onboard of TechnoSat is interfaced to a patch antenna with an opening angle of 85° and 6 dBi gain. The transceiver is tested by either downlinking test-patterns or pictures to the ground for analysis.

Status of the Experiment: The S band transceiver is successfully operated on a regular basis.

 

Laser-Retroreflectors

Laser-Retroreflectors are implemented on satellites to enable high-precision range measurements. To this end, lasers on the ground are aimed at the satellite and the time required for the laser pulse to travel to the satellite and back again is measured. Usually, reflectors for laser ranging used on satellites are specially developed. The presented experiment on TechnoSat shall verify the suitability of cost-effective, commercial reflectors for laser ranging on small satellites. The experiment consists of 14 Laser-Retroreflectors distributed over the satellites outer surface each with a diameter of 10 mm. Before integration the reflectors have been characterised by the Helmholtz-Zentrum Potsdam - GFZ German Research Centre for Geosciences. Range measurements are carried out by the International Laser Ranging Service through various stations all over the world while the German Space Operations Center (GSOC) performs satellite orbit determination and propagation based on the distance information. The obtained laser ranging data are moreover used for studies regarding attitude changes of the spacecraft, which are executed by the Austrian Academy of Sciences (ÖAW).

Status of the Experiment: TechnoSat was tracked for the first time on the 30th of July 2017 for the first time by a Australian station. Its distance has since been measured in more than 450 passes by 16 different stations (cf. http://edc.dgfi.tum.de/en/satellites/technosat). We sincerely thank all stations for their support!

 

Launch and Operations

TechnoSat was launched as 12th satellite of Technische Universität Berlin on a Russian Soyuz 2.1 rocket on Friday, July the 14th at 8:36 am Central European Summer Time into an 600 km Sun synchronous orbit. After successful launch the satellite's beacon, as well as first telemetry was received during the first pass over the ground station in Berlin.

Further steps will be announced on the News page of the Chair of Space Technologies of Technische Universität Berlin.

References

Werner, Philipp; Starke, Mario; Graf, Alexander; Gordon, Karsten and Barschke, Merlin F. (2015). Modular electrical ground support equipment for nanosatellites. Proceedings of the 10th IAA Symposium on Small Satellites for Earth Observation, 211–214.


Frank Baumann and Klaus Brieß (2015). A Quad-channel UHF Transceiver for TUBiX20. 10th IAA Symposium on Small Satellites for Earth Observation


Barschke, Merlin F. and Gordon, Karsten (2015). Enabling flexible payload management through modularity. presented at the 65th International Astronautical Congress


Gordon, Karsten and Barschke, Merlin F. (2015). A new concept of software architecture for a flexible attitude determination and control of nanosatellites. presented at the 65th International Astronautical Congress


Gordon, Karsten; Graf, Alexander; Barschke, Merlin (2015). Practical experience in using continuous integration within the development of nanosatellite software. Proceedings of the 10th IAA Symposium on Small Satellites for Earth Observation, 191–194.


Költzsch, Danilo and Barschke, Merlin F. (2014). Development and Verification of a Lightweight and Modular Structure for a Novel Nanosatellite Platform. presented at the 63th German Aerospace Congress


Barschke, Merlin F. and Gordon, Karsten (2014). TUBiX20 - A Generic Systems Architecture for a Single Failure Tolerant Nanosatellite Platform. presented at the 65th International Astronautical Congress


Daniel Noack, Jonathan Ludwig and Klaus Brieß (2013). Untersuchungen zu einem fluiddynamischen Aktuator für den Einsatz auf dem Nanosatelliten TechnoSat. 62. German Aerospace Congress


Daniel Noack, Jonathan Ludwig and Klaus Brieß (2014). Fluid-Dynamic Attitude Control Experiment for TechnoSat. Small Satellites Systems and Services Symposium


Kirchner, Georg; Grunwaldt, Ludwig; Neubert, Reinhard; Koidl, Franz; Barschke, Merlin; Yoon, Zizung and Fiedler, Hauke (2013). Laser Ranging to Nano-Satellites in LEO Orbits: Plans, Issues, Simulations. presented at the 18th International Workshop on Laser Ranging


Barschke, Merlin F.; Yoon, Zizung and Brieß, Klaus (2013). TUBiX - The TU Berlin Innovative Next Generation Nanosatellite Bus. presented at the 64th International Astronautical Congress


Barschke, Merlin F.; Großekatthöfer, Karsten and Montenegro, Sergio (2014). Implementation of a Nanosatellite On-Board Software based on Building-Blocks. presented at the Small Satellites Systems and Services Symposium


Barschke, Merlin F.; Adirim, Harry; Balagurin, Oleksii; Ballheimer, Walter; Dornburg, Lars; Kayal, Hakan; Noak, Daniel; Nitzschke, Christian; Pilz, Nobert A.; Wojtkowiak, Harald; Brieß, Klaus (2013). TechnoSat - A Nanosatellite Mission for On-Orbit Technology Demonstration. presented at the 27th AIAA/USU Conference on Samll Satellites


Barschke, Merlin F.; Baumann, Frank; Ballheimer, Walter; Großekatthöfer, Karsten; Nitzschke, Christian and Brieß, Klaus (2013). TUBiX20 - The novel Nanosatellite Bus of TU Berlin. Proceedings of the 9th IAA Symposium on Small Satellites for Earth Observation, 93-96.


Barschke, Merlin F.; Großekatthöfer, Karsten and Montenegro, Sergio (2014). Implementation of a Nanosatellite On-Board Software based on Building-Blocks. presented at the Small Satellites Systems and Services Symposium


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Chair of Space Technology

Prof. Dr.-Ing. Klaus Brieß
+49 30 314-21339
Room F 515

Grant No.:

50 RM 1219