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Mission analysis is a crucial aspect of space mission planning, involving a comprehensive review of satellite orbits and trajectory options to ensure the mission objectives are successfully met. This report presents the detailed mission analysis conducted for ...

Introduction A link budget assesses the various gains and losses that impact signal transmission from the satellite to the ground station, ensuring the communication link meets performance requirements. By analyzing key factors such as transmission power, an...

Introduction This document outlines the methodology, assumptions, and calculated results, providing a clear understanding of the system’s data management and limitations. These results are crucial for validating the design and ensuring reliable data transmissi...

Introduction This report focuses on space debris mitigation for PocketQube satellites as part of ESA’s FYS4! program. Space debris includes defunct satellites, spent rocket stages, and other fragments orbiting the Earth. As the number of satellites and space m...

Datasheet and 3D model of our Ligtricity s3040_CIC solar cell https://satsearch.co/products/exa-solar-cells-30-40 This page states that it belongs to another company ‘Ecuadorian Space Agency (EXA)’ but the datasheet and 3D model correspond to the solar cell us...

Test Description and Objectives The objective of this test is to perform and analyse a charge cycle of the battery using the battery test equipment. Requirements Verification Requirement Description 1 Battery can be completely charged 2 Battery can be...

Test Description and Objectives The objective of this test is to perform and analyse the degradation of the battery in LEO orbit thermal conditions. Due to time constraints, in order to see the proper degradation of the battery, a full charge and discharge of ...

Test Description and Objectives The main objective of this test is to characterise the temperature behaviour of the photodiode and calibrate its results. Test Set-Up ADCS board and the PocketQube lateral boards. Multimeter, alligator clips ,cables and jumpers...

DOCUMENT SCOPE The aim of this document is to clearly explain the procedure to verify the polarisation of the magnetorquers. TEST 1: Electrical check Test Description and Objectives The aim of this test is to verify that the polarisation of the magnetorquers i...

Test Description and Objectives This test is designed to characterize and calibrate the ADCS gyroscopes, ensuring their precise performance under various conditions. The results will give us important information to improve the system that controls the satelli...

Document scope  This document aims to provide both an in-depth description of structural elements and general architecture, as well as a basis for understanding the way all the subsystems and devices are connected throughout the PocketQube. In addition in the ...

Document scope In satellite systems, the ADCS is essential to maintain the proper orientation and stability of the spacecraft. This section will initially present the ADCS of the project, presenting some inicial concepts needed for understanding the theory and...

Introduction The hardware of the Attitude Determination and Control System (ADCS) is essential for the satellite’s operation. Without it, the satellite would be unable to gather critical data about its orientation and environment in space, which is necessary f...

The software of the Attitude Determination and Control System (ADCS) is equally essential for the satellite’s operation. Without it, the satellite would lack the intelligence to interpret critical data about its orientation and respond to its environment in sp...

DOCUMENT SCOPE The aim of this document is to explain the subsystem verification tests to carry out on Attitude Determination & Control Subsystem, in order to obtain/discard any anomaly that the subsystem could suffer during the performance of these test. TEST...

I2C testing in case of failureThere is a problem with the I2C communication that makes the code fail. To solve this problem the next tests has been done:1. Verify the connectionsAll the I2C connections are well connected with the corresponding PINS2. Check the...

Functional Architecture The EPS is responsible for managing the energy throughout the satellite, including charging the battery and distributing power to the various subsystems. It is divided into two main blocks: the Energy Harvest Block, which is in charge o...

Design Choices Up next is provided a table including the most important components of the EPS. In the following sections is found information about each one of them as well as the overall design of the system. Quick Facts Table Component Model Solar Ce...

The EPS software is encapsulated within the EPS task. It's main functionality is providing the OBC with battery readings on it's voltage, current generated, capacity, temperature and charging status. The task will also indicate any error generated by the Power...

The EPS consists of two main blocks. The process begins by soldering the MPPTs, and with the help of a solar simulator, they are tested using a solar cell to ensure proper functionality and that the output is as expected. Next, the Battery Charge Block is sold...