Sumários

Introduction to Space Systems Engineering (III)

17 Novembro 2022, 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 

Analysis of the orbital object population (part II)

15 Novembro 2022, 09:00 • André Maria da Silva Dias Moitinho de Almeida

:: Analysis of the full population of tracked orbital objects
- Ingesting a file with TLEs for many objects
- Orbit integration and exception handling
- Computation of cartesian positions
- 3D visualisation of the orbital population
- Export computations to CSV file for analysis with other software


:: Multi-panel exploration of orbits and other attributes with TOPCAT
- TOPCAT tutorial 
- Multi-dimensional analysis of orbital objects using multiple panels with linked views
- Identification of families of orbital objects

Introduction to orbit mechanics (II)

15 Novembro 2022, 08:00 • André Maria da Silva Dias Moitinho de Almeida

:: Orbit types 
- LEO
- GEO
- Molniya
- Polar
- MEO and Satellite constellations

Introduction to Space Systems Engineering (II)

10 Novembro 2022, 08:00 • 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)

8 Novembro 2022, 09:00 • André Maria da Silva Dias Moitinho de Almeida

Computational exercise for studying the population of orbital objects described in "Two / Three Line Elements" (TLEs)

:: 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