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IEEE Open PocketQube Kit
ᴾᵒCat: Introduction & Requirements
In this book a description of the Wiki and the IEEE Open PocketQube is given, providing some context into the development of the standard and the ᴾᵒCat spacecrafts itself.A mission and system description is provided, as well as the requirements established for...
ᴾᵒCat: Mission Analysis and Characterisations
In this book information about the Lektron mission is provided as well as characterisations of some hardware components.
ᴾᵒCat: Structure & Subsystems
In this book information about Structure and Subsystems is found, including: Subsystem descriptions, Hardware and Software Designs, Subsystem Verifications and Tests as Run.
ᴾᵒCat: VGA Payload
In this book information about ᴾᵒCat-1 P/L , a COTS VGA Camera, is found including a subsystem description hardware and software designs as well subsystem verification.
ᴾᵒCat: RFI L-Band Payload
In this book information about ᴾᵒCat-2 P/L , a RFI Monitoring payload at the L-Band, is found including a subsystem description hardware and software designs as well subsystem verification.
ᴾᵒCat: RFI K-Band Payload
In this book information about ᴾᵒCat-3 P/L , a RFI Monitoring payload in the K-Band, is found including a subsystem description hardware and software designs as well subsystem verification.
ᴾᵒCat Operations
In this book information about the Lektron Operations is provided.
ᴾᵒCat Procedures
In this book prodecures relating to the spacecraft are found, such as TVAC and Shaker testing, assembly produres, antenna refurbishment and others.
Federated Satellite System Experiment
This page currently provides an overview of the Federated Satellite Systems, it is under development the software to integrate the protocols to create, manage and close the federations.
Mission analysis
Link and Data Budget Analysis
Space Debris Mitigation
Characterisation and Calibration
Mission Description
In this chapter several aspects relating to the ᴾᵒCat are described. Do note that these are intended to serve as a reference and may not be representative of your own mission.
System Description
In this section an overview the IEEE Open PocketQube is given going into detail of the physical and functional architecture. Spacecraft configuration and radiation measures are also presented.
Requirements
In this rection requierements for the ᴾᵒCat spacecrafts (system) and corresponding mission are presented. These are to be defined by the team developing each mission and PocketQube.
Attitude Determination and Control System (ADCS)
Electrical Power System (EPS)
Communications (COMMS)
On-Board Computer & Software (OBC/OBSW)
Electrical Ground Support Equipment (EGSE)
Mechanisms
RFI-5G Design
RFI-5G payload designs. Includes electrical, mechanical and software.
Assembly & Integration
Test
Protocols
This Chapter contains the Description of the two protocols needed to implement the FSS
Tests as Run
Wiki Structure
This page presents the structure of this Wiki. It is structured as follows: Introduction & Requirements Wiki Structure Introduction to the IEEE PQ Kit Mission Description Statement and Objectives Data products Mission phases Satellite Operational Modes Sys...
Introduction to the IEEE Open PocketQube Kit
Thanks to the introduction of the CubeSat standard in 1999 by professors J. Puig-Suari (California Polytechnic State University) and Bob Twiggs (Stanford University’s Space Systems Development Lab) in the past two decades, the number of satellites launched has...
Mission analysis report
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 ...
Statement and Objectives
Mission Statement The PoCat-Lektron is a mission resulting from the IEEE OpenPocketQube Kit initiative, developed at the UPC NanoSat Lab. The mission has been selected in the 4th call of the ESA Fly Your Satellite! (FYS) program. The mission analysis presented...
Link budget
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, ante...
Data budget
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...
Data Products
This section will cover the pata products generated by the Lektron mission. Consider these will vary depending on the P/L. The following information is presented in relation to ᴾᵒCat 1, ᴾᵒCat 2 and ᴾᵒCat 3. Mission Data Products The satellite mission will prov...
Mission Phases
The mission is segmented into five distinct phases: 1) Prelaunch, 2) Launch and Early Orbit Phase (LEOP), 3) In-orbit Commissioning, 4) Operations, and 5) Post-mission. Throughout each phase, various procedures are carried out, either commanded from the ground...
Space Debris Mitigation report
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...
Solar cells
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...
Satellite Operational Modes
The operational modes for the satellite and its subsystems are: Init: This mode is directly associated with the LEOP. The LEOP phase is the most critical, as it begins when the satellite is deployed and concludes when the Communications (COMMS) antenna is depl...
Battery characterization test
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...
Battery degradation test
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 ...
Photodiodes Temperature Characterization
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...
Physical Architecture
The physical architecture of the spacecraft (S/C) is comprised by the different subsystems and components, as well as the electrical lines that provide communication between them. A PocketQube architecture is relatively simple compared to bigger spacecrafts, e...
Magnetorquer Polarisation verification
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...
Functional Architecture
The functional architecture of the spacecraft is defined by the different tasks or functions that each subsystem is designed to do. To this extent, all the operations done by the S/C can be categorized into the block diagram provided up next: Figure 1.1: ᴾᵒCa...
Gyroscope Characterization and Calibration
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...
Spacecraft System Configuration
In this page information into the spacecraft's measures is provided. Two diagrams are presented up next. The first one correspond to the measures of the PocketQube before the LoRa antenna deployment and the second one corresponds to the measures after deployme...
Structure
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 ...