Sumários

Introduction to Space Systems Engineering (III)

11 Novembro 2025, 08:00 • André Maria da Silva Dias Moitinho de Almeida

  • The space environment and its effects on the mission design (cont)
    • Challenges for mechanical engineering
    • Challenges for electronic engineering
    • Challenges for thermal engineering
    • Challenges for vacuum engineering
  • Space engineering standards: ECSS 

Introduction to Space Systems Engineering (II)

6 Novembro 2025, 11:30 • André Maria da Silva Dias Moitinho de Almeida

The space environment

  • Overview
  • Effects on mission design
    • Radiation and thermal shielding
    • Cleaning
    • Effects of weightlessness
    • Other

Analysis of the orbital object population (part I)

4 Novembro 2025, 09:00 • André Maria da Silva Dias Moitinho de Almeida

Orbital data
  • Formats: TLEs, xml, etc
  • Contents
  • Sources: Online databases (Space-Track, Celestrack, ESA Discos)
  • SGP orbit propagation

Analysis of a single object
  • Explanation of the ephem and datetime python packages
  • Reading a TLE for a single object
  • Orbit integration
  • Inspection of the output of orbit integration
  • Orbit visualisation

Introduction to Space Systems Engineering (I)

4 Novembro 2025, 08:00 • André Maria da Silva Dias Moitinho de Almeida

  • Introduction
    • Systemic vision of the space mission
    • Space Segment: "Service modules" and "payloads"
    • Launchers,
    • Ground Segment
    • Weight and costs

Introduction to orbit mechanics - II

30 Outubro 2025, 11:30 • André Maria da Silva Dias Moitinho de Almeida

  • Orbit Observation and determination:
    • Two/Three Line Elements (TLSs)
    • Simplified Perturbation models (SGP, SGP4, SDP4, SGP8 and SDP8)
  • Orbit types 
    • LEO
    • GEO
    • Molniya
    • Polar
    • MEO and Satellite constellations