SOURCE-2
Stuttgart Operated University Research CubeSat for Evaluation and Education 2
SOURCE-2 continues the success story of the SOURCE project, providing students in Stuttgart with ongoing practical training and research in the field of spaceflight. Building upon the insights gained from the original project, SOURCE-2 will reach a new level of professionalism and offer students unique experiences. Innovative concepts will foster knowledge exchange and technology transfer, while the research network of KSat e.V. will be expanded. In-house technologies, such as the FerroWheels, will be further developed and tested in orbit for the first time. Thanks to innovative advancements in the SOURCE bus system, the Institute of Space Systems’ PETRUS engine will be further optimized, enabling SOURCE-2 to be the first student satellite in Europe to perform orbital changes. The scientific focus is on situational awareness to address current challenges in low Earth orbit. Furthermore, the novel payload concept will bring expertise in on-orbit servicing and active debris removal to Stuttgart. Through collaborations and exchange formats with project partners, the potential of the student CubeSat project is enhanced. SOURCE-2 aims to create a foundation for a larger initiative that inspires both school students and other interested individuals for STEM careers and explores new avenues in science communication, while the project, following a successful Phase 0, is now moving into Phase A.
Our Payloads
DETECT
DETECT is a groundbreaking technology that revolutionizes the detection and tracking of objects in orbit. By using a camera on a robotic arm that monitors an E-Ink screen displaying an ArUco marker, it enables precise measurements of distance and position and has been tested in space for the first time. With advanced computer vision and AI for image processing, DETECT opens new horizons for rendezvous and docking maneuvers and forms the basis for on-orbit servicing and active debris removal.
FerroWheel
FerroWheels technology, which utilizes magnetic ferrofluid bearings, offers a highly efficient and durable alternative to conventional reaction wheels. The advantages of ferrofluids have already been demonstrated in the PAPELL, FerrAS, and FARGO projects. Its first deployment in orbit marks a significant step into the future of space technology.
Retroreflectors
The retroreflectors developed by the German Aerospace Center (DLR) play a crucial role in precise tracking and observation in space, providing invaluable support during the LEOP and commissioning phases. These innovative systems not only contribute to safe navigation and monitoring but also promote the sustainable use of low Earth orbit by enabling the early identification of potential threats from space debris. Combined with DETECT technology, this sets a new standard for space exploration, fostering efficiency and responsibility in the exploration of our orbit.
3D-Printed Parts
With AEROSPACE LAB Herrenberg, we are setting new standards in the 3D printing of structural components in Earth orbit by using recycled plastics that not only protect the environment but also offer innovative solutions for space travel. We are committed to actively involving students in our research projects and giving them the opportunity to test their ideas and results in space. Our goal is to establish a long-term partnership with KSat e.V. and foster a continuous exchange between passionate school and university students, so that creative minds can shape the future of space travel together.
SeeSat e.V.
As part of an exciting collaboration between SeeSat e.V. and the Institute of Space Systems at the University of Stuttgart, innovative control electronics are being developed that will be crucial for the radiation experiments of the future SeeSat satellite. Particular attention is being paid to the development of an advanced S-band antenna that enables redundant communication at a higher data rate. This technology is being implemented jointly with the IRS as a software-defined radio and thus represents a significant advancement in satellite communication, making future missions even more efficient and reliable.
Planned
Regional networking and collaborations with renowned institutions such as the University of Tokyo and Aalen University open up exciting perspectives for our projects. While we jointly work on developing a payload that is yet to be determined, we benefit from the University of Tokyo’s profound expertise in CubeSat technology, which enables us to pursue innovative approaches and enrich the development process with valuable reviews. This collaboration reflects our commitment to creating forward-looking solutions through synergies and scientific exchange, solutions that meet both technological and regional needs.
The aerospace LÄND
SOURCE-2 is funded by the aerospace strategy “The aerospace LÄND” of the Baden-Württemberg Ministry of Science, Research, and the Arts. The objective of the strategy is to maintain the state’s existing strengths in the aerospace domain and to explore prospects, particularly in the “New Space” sector. The ultimate ambition is to ensure that the region remains a leading contender among Germany and Europe’s most capable regions within the domain.
A component of this strategy involves the funding of student project groups through the Zukunftsoffensive IV “Luft- und Raumfahrt.” KSat e.V. applied and was selected to be the recipient of funding to support the development of a “flight model” (FM) for the SOURCE-2 satellite. With the financial support provided by this grant, the student project group is contributing to the practical training of qualified young engineers in the field of space technology.
Curious?
As a”Part of the aerospace Länd”, we receive sustainable funding and can thus enable many students to participate in a real satellite project.
A visit to The aerospace LÄND website is worthwhile, feel free to check it out!
Timeline
The first plans
Initial considerations for a successor to SOURCE are emerging to incorporate the valuable expertise of experienced members. Step by step, the mission concept for SOURCE-2 is being developed based on various payloads and predecessor projects. The goal is to develop, for the first time in Stuttgart, a satellite dedicated to addressing the challenges of on-orbit servicing and active debris removal.
Official development start
A new project team is formed from previously inexperienced bachelor's students and supplemented by experienced members of SOURCE. Together, they work to define the requirements of the complex mission and document them for the further course of the project.
SOURCE-2 Workshop
Over seven days, the now well-established SOURCE-2 team develops a comprehensive preliminary design for the satellite and identifies initial components for development.
SOURCE-2 Mission Definition Review
For the first time, the young SOURCE-2 team is undergoing a review by experienced SOURCE members and staff from the Institute of Space Systems. Thanks to comprehensive technical documentation, a wealth of experience can be shared with the team, and the feedback is positive – SOURCE-2 has passed its first review and is now moving on to the next project phase.
CubeSats
CubeSats are small, standardized satellites originally developed for educational purposes and space research. They typically consist of modular cubes measuring 10 x 10 x 10 cm (a so-called “unit” or 1U) that can be combined to form larger CubeSats. CubeSats are relatively inexpensive to build and launch, making them attractive to universities and research institutions seeking cost-effective experiments in space.
A key advantage of CubeSats is their flexibility and versatility. They are frequently used for scientific measurements, communication missions, and Earth observation. CubeSats can also be launched into space by commercial launch providers along with other payloads (so-called “rideshare” launches), which further reduces costs compared to larger satellites. Their compact size and modular design make them suitable for specialized, short-term missions.
In recent years, the importance of CubeSats has increased dramatically. They now play a crucial role in the development of space technologies, serving as test platforms for new systems or concepts that can then be deployed in larger missions. Industry and the military are also increasingly using CubeSats for operational purposes, such as communication or surveillance. Thanks to their cost-effective and rapid deployment, CubeSats have the potential to fundamentally transform the space landscape.
We want you!
Has SOURCE-2 sparked your interest? We are always looking for new members!
Whether you are just starting your first semester or are already an aerospace expert, and regardless of what you are studying, we can find an exciting position for everyone in our team. All of our projects are organized into subsystems that are responsible for different areas. If you already know what you are interested in, please contact us!
Participation in SOURCE-2 is voluntary or possible as part of the related SQ internship CubeSat Technology, provided you are studying at the University of Stuttgart. SQ participation is also possible within the framework of our SOURCE and ATHENE projects! 3 ECTS credits will be awarded for participation.
SOURCE-2 Subsystems
Project Management and Systems Engineering
The project management and systems engineering team form the organizational backbone of SOURCE-2. They manage the project with clear objectives, structured task allocation, and an agile working methodology. A streamlined core team of experienced members—consisting of two project managers, two project administrators, and a lead systems engineer—ensures efficient communication and rapid decision-making. We are currently seeking support in this area and welcome all interested parties!
Project Partners
Sponsors
