Open Source CubeSat Workshop 2021

Session

Talks

9 Dec 2021, 11:20

Conveners

Talks: Session 1

• Eleftherios Kosmas (Libre Space Foundation)
• Artur Scholz (LibreCube Initiative)

Talks: Session 2

• Red Boumghar (Libre Space Foundation)
• Manthos Papamatthaiou

Talks: Session 3

• Pierros Papadeas (Libre Space Foundation)
• Artur Scholz (LibreCube Initiative)

Talks: Session 4

• Manthos Papamatthaiou
• Artur Scholz (LibreCube Initiative)

Talks: Session 5

• Pierros Papadeas (Libre Space Foundation)
• Eleftherios Kosmas (Libre Space Foundation)

Talks: Session 6

• Red Boumghar (Libre Space Foundation)
• Artur Scholz (LibreCube Initiative)

6. sdr-server - improving hardware utilization for passive spectrum monitoring

09/12/2021, 11:20

talk

Sdr-server is a project designed to provide access for multiple users to a single rtl-sdr stick. This allows running several concurrent observations within 2Mhz bandwidth of rtl-sdr. This turned out to be a very useful feature for satellite communications. Many cubesats transmit data on a very close frequencies, which allow communication with several satellites at once. This feature is widely...

31. OpenSATCOM update and initial results

09/12/2021, 11:40

talk

OpenSATCOM is an ESA ARTES activity implemented by Libre Space Foundation in collaboration with inno3 exploring the relevance of open-source development methodologies in the satellite communication sector.

This year's talk will be a follow-up to last year's talk, this year we will follow up with a focus on active and...

7. Satellite Event Detection

09/12/2021, 12:00

talk

With the increasing number of satellites launched into space, it has become essential to anticipate disastrous space events and formulate effective policies based on the observations. As part of the Google Summer of Code program 2021, we developed a set of event detectors under the two-body problem by implementing orbital mechanics algorithms from the literature. We developed a point-by-point...

10. DOCKS – An open-source software suite for space mission profiles

09/12/2021, 12:20

talk

At CENSUS, the space pole of PSL Université hosted at the Paris Observatory, we are developing an open-source software suite called DOCKS for analyzing scientific nanosatellite mission profiles. DOCKS is a Python-based software that computes the major contributors in the system budget for the probe's entire mission profile, i.e., trajectory, intervisibility with sun and ground stations,...

21. Astrometry on board OPS-SAT1?

09/12/2021, 13:00

talk

Astrometry of celestial bodies is strategic in various scientific or engineering applications. We have designed an experiment with OPS-SAT1 to assess the feasibility of optical astrometry with simple CubeSat hardware. OPS-SAT1 is a 3U CubeSat designed and operated by ESA/ESOC in Darmstadt with an imager and an ADCS by Berlin Space Technology. Then, there is an entry barrier: can we at least...

9. IPFS-tiny in orbit -- Enabling new concepts

09/12/2021, 13:20

talk

IPFS has proved itself to be a secure & scalable distributed file system which utilizes a smart data model, IPLD. IPLD defines data to be self-descriptive and self-verifiable, allowing you to receive them in a trustless way. Considering distributed ground station networks to be the future, this data model greatly serves satellite communications in this context. A satellite transmitting data...

33. SatNOGS - State of the Union

09/12/2021, 13:40

talk

An overview of the SatNOGS project, a network of satellite ground stations around the world, optimized for modularity, built from readily available and affordable tools and resources.

Low Earth Orbit (LEO) satellite launches rate increases with the participation of old and new entities. In this growing environment SatNOGS provides a scalable and modular solution to track, identify, receive...

5. LibreCube - Overview of Activities

09/12/2021, 14:00

talk

LibreCube's vision is to enable everyone to get involved in building systems for exploration of Earth and Space using open source hardware and software.

LibreCube is resting on these three pillars:

• Open Source: Everything we do at LibreCube is made available to the public as free and open source. And we only use free and open source tools; this way, really everyone can get involved and...

13. OreSat CubeSat System Overview

09/12/2021, 14:40

talk

This talk will give an overview of the OreSat CubeSat system, a fully open source 1U - 3U CubeSat system meant to be built, modified, and flown by student teams. OreSat has everything you would expect from a CubeSat system: a scalable 1 - 3U structure, multi-band deployable antenna, solar array, battery pack, on-board computer, radio system, star tracker, reaction wheels, magnetorquers, SDR...

18. OreSat Mechanical Architecture

09/12/2021, 15:00

talk

The OreSat mechanical architecture is a scalable 1 - 3U aluminum CubeSat structure designed to be easily manufactured in-house by university teams. OreSat takes advantage of a card cage construction for greater flexibility in the CubeSat development process. A simplistic yet effective card wedge system is incorporated into the structure to provide a modular alternative to the traditional...

14. OreSat Electrical Power System

09/12/2021, 15:20

talk

The OreSat electrical power system is a fully modular and scalable CubeSat EPS designed to support a wide array of payload power demands. We will start with OreSat’s modular solar panel system, which includes an embedded high frequency switching-power-supply and software-defined maximum power point tracker. We will then discuss the OreSat battery card, which is a redundant 7.2V 35 Ahr Li-ion...

15. OreSat Firmware and Software Architecture

09/12/2021, 15:40

talk

This talk will give an overview of the software and firmware running the OreSat CubeSat system’s microcontrollers and microprocessors, and their development environment. We’ll discuss the three levels of computing onboard (ARM Cortex M0, M4F, and A8), our use of the ChibiOS real time operating system on the M0 and M4F systems, and our use of Linux on the A8 systems. We’ll talk about the...

32. State of Polaris, more visualization in using ML for space operations

10/12/2021, 11:20

talk

Satellite constellations are growing at the fastest rate ever. Small teams of satellite operators now monitor the satellite health of dozens to hundreds of satellites as a part of missions like starlink, project Kuiper and OneWeb constellation. The Polaris project provides an open-source machine learning tool for easy analysis of telemetry to find dependencies between satellite parameters as...

8. Open Space Data Link Protocol – An open-source implementation of the CCSDS TM/TC Directives

10/12/2021, 11:40

talk

In a time when satellite deployments in space have increased dramatically and the collaboration between different parties involved in the operation of a satellite is imperative for a successful mission, standarization can pave the way towards the realization of a mission’s goals. Often though, it is not only about willingness of a team to use standard protocols, it is also about the...

22. The open-source approach to on-board data processing. A view from the perspective of OHB-Hellas

10/12/2021, 12:00

talk

The open-source approach in the space industry is of well-understood benefits in the context of small companies and new players in the space domain. Large companies are however often still hesitant to follow this route.
OHB-Hellas, a Greek company and a fully-owned subsidiary of the multinational OHB Group, was established in the country with the goal of establishing expert competence in the...

12. Luplink, an Open Source Web Application for an Ergonomic Link Budget Analysis

10/12/2021, 12:20

talk

Computing a link budget allows to determinate the possibility to communicate with a satellite. This is done by accounting for all the power gains and power losses encountered by a signal along its transmission path. Due to the numerous amount of such gains and losses, computing a link budget can prove to be a difficult and tedious task, especially to students and newcomers.

Some tools to...

34. QUBIK Mission

10/12/2021, 12:40

talk

• An overview of testing and integration of QUBIK 1,2
  and upcoming QUBIK 3,4,5 missions.
• How SATNOGS is used during development and
  testing
• QUBIK 1,2 launch update

19. Progress and Developments in Open Source Electric Propulsion for Nanosats and Picosats at AIS

10/12/2021, 15:00

talk

AIS is currently the first and only open source, open development based electric propulsion (EP) effort in the field. Over the past year, significant progress has been made on a number of micro ion and plasma thruster technologies for nanosats and picosats.

First, in March 2021, the first ever fully open-source electric propulsion system, the AIS-gPPT3-1C Micro Pulsed Plasma Thruster,...

24. Passive Satellite RF Tracking using the SatNOGS Network

10/12/2021, 15:20

talk

The SatNOGS Network performs hundreds observations per day, each producing a waterfall diagram which shows the Doppler curve caused by the transmitting satellite flying over the station. By analyzing multiple of these curves the satellite orbit can be determined. The new SatNOGS Artifacts allows the extraction of precise frequencies and timestamps. For this "Spectranalysis" was developed, an...

30. Cronos Sounding Rocket

10/12/2021, 15:40

talk

Cronos is the first hybrid rocket designed by our team and the first attempt to create such a rocket inside the Greek student community. We decided to build Cronos, in order to test our knowledge, skills and eventually improve them through the process of making each and every part in house.

By choosing to do so, a wide variety of engineering challenges became obvious after the first weeks...

1. An Intuitive Tool to Design Relative Orbits for Formation Flying

10/12/2021, 16:00

talk

Relative astrodynamics is often an opaque subject for most spacecraft engineers who do not deal directly in the guidance and control of formation flying or distributed satellite systems. Designing relative orbits itself is often a daunting task, even in the two-body-only sense, as the mission designer needs to select the correct set of Keplerian (or other suitable) orbit elements for the...

3. Progress Report from Open Research Institute, Inc.

10/12/2021, 16:40

talk

Open Research Institute, Inc. (ORI) is a non-profit 501(c)(3) research and development organization which provides all of its work to the general public under the principles of Open Source and Open Access to Research. Focused primarily on the amateur satellite service, this presentation summarizes all current technical and regulatory work at ORI. ITAR/EAR Regulatory Relief, Debris Mitigation...

16. OreSat Communication Protocols and and Ground Stations

10/12/2021, 17:00

talk

This talk gives an overview of the OreSat CubeSat system’s communication system. We’ll discuss the onboard amateur radio L band uplink and UHF downlink. We’ll touch on the UHF G3RUH beacon, and the transition to an Engineering Data Link mode, that is all CCSDS compliant. We’ll also discuss the University Class Open Ground Station (UniClOGS), which is an TX/RX system that is a local ground...

17. OreSat Mission Planning with Eclipse Papyrus SysML

10/12/2021, 17:20

talk

This talk gives an overview of OreSat from a mission planning perspective. We’ll discuss the factors that go into educational CubeSat mission planning, and show how the Eclipse Papyrus SysML (specifically v1.6) add-on can be used to track mission requirements and to aid in the analysis and design of the mission architecture leading to a Concept of Operations and other important early-phase...

11. MetaSat: Open Metadata for Small Satellite Missions

10/12/2021, 17:40

talk

MetaSat is an open metadata toolkit used to describe the hardware, software, and data associated with small satellite missions. Through its metadata vocabulary, or list of unique and machine-readable concepts, MetaSat helps facilitate information sharing among ground station networks like SatNOGS, in addition to mission teams and the greater small satellite community as a whole. In this...