Catarina-A1 Mission

Welcome to the official documentation of the Catarina-A1 mission.

This documentation presents the Critical Design Review for Catarina-A1, a 2U CubeSat developed by SpaceLab at the Federal University of Santa Catarina (UFSC). It describes the mission objectives, system design, subsystems, ground segment, technical budgets, and project management.

Documentation

• Introduction
  • Mission description
    • About the Catarina Constellation
    • Fleet A’s Mission Declaration
    • Fleet A’s Mission Definition
    • Mission objectives
  • Project members
  • Mission patch
• Mission management
  • Schedule
    • Schedule definition
    • Schedule control
    • Procurement status
    • Frequency license coordination
  • Cost estimation
    • Cost breakdown structure
    • Cost estimate report
  • Product tree
  • Work breakdown structure
  • Risk management
    • Risks identification
  • Launch
• Concept of Operations
  • Introduction
    • Mission description
    • Operational mission objectives
  • Mission structure
    • Space Segment
    • Ground Segment
    • Mission control
  • Mission operation modes
    • Deployment Mode (DM)
    • Initialization mode (IM)
    • Nominal mode (NM)
    • Stand-By mode (SBM)
    • Contingency mode (CM)
  • Ground segment
    • Data Collection Platforms
    • National System of Environmental Data
    • Control and coordination
  • Mission control
    • Mission control station
    • Mission control team
    • Mission planning
    • Coordination with external entities
  • Operational phase schedule
• Technical Budgets and Mission Analysis
  • Requirements
    • Mission requirements
    • System Requirements
  • Orbit parameters and analysis
    • Orbital needs for communication with DCP and ground station
  • Thermal analysis
    • Thermal numerical models
    • Orbital and thermal parameters analyzed
    • Results: Total incident radiation on each face
    • Results: Temperature distribution
  • Mass budget
  • Power Budget
    • Input Power
    • Satellite’s power consumption
    • Battery Sizing
    • Power Degradation Over Mission Life
  • Link Budget
• Service Module Overview
  • General Diagrams
    • Power Diagram
    • Data Path Diagram
    • Deployment Sequence
    • Beacon Operation
    • OBDH Operation
    • EPS Operation
  • Interface Datasheet (IDS)
    • Interface
    • Form Factor
  • Telecommunication
    • Authentication
    • Operation Licenses
• Subsystems
  • On-Boarding Data Handling
  • Telemetry, Tracking and Command Module
    • Antenna Module
  • Electrical Power System
    • Battery Module
    • Solar Panels
    • Kill-Switches and RBF
  • Attitude Control System
  • Thermal Control
  • Mechanical Structure
  • Interconnection Modules
    • PC-104 Interconnection Boards
    • External Connection Boards
  • Payloads
    • Environmental Data Collection
    • ExpLoRa
• Ground Segment
  • UFSC Ground Station
    • Hardware
    • Satellite Tracking
    • Packet Transmission
    • Packet Decoding
  • EMMN Ground Station
  • Data Collection Platforms
• Nomenclature
• References

Appendix

• Link Budget Calculation
  • Distance to Satellite at Horizon
  • Free-Space Path Loss
    • Downlink
    • Uplink
    • Uplink (Payload)
  • Power at Receiver
    • Downlink
    • Uplink
    • Uplink (Payload)
  • Signal-to-Noise-Ratio
    • Downlink
    • Uplink
    • Uplink (Payload)
  • Link Margin
• Telecommunication Packets
  • Beacon
  • Downlink
  • Uplink
• EDC Test Report
  • Command interface test
    • Used material
    • Setup
    • Results
  • RF chain test
    • Used material
    • Setup
    • Results
  • Conclusion