CEAS Space Journal

, Volume 10, Issue 1, pp 51–62 | Cite as

Launch vehicle design and GNC sizing with ASTOS

  • Francesco Cremaschi
  • Sebastian Winter
  • Valerio Rossi
  • Andreas Wiegand
Original Paper


The European Space Agency (ESA) is currently involved in several activities related to launch vehicle designs (Future Launcher Preparatory Program, Ariane 6, VEGA evolutions, etc.). Within these activities, ESA has identified the importance of developing a simulation infrastructure capable of supporting the multi-disciplinary design and preliminary guidance navigation and control (GNC) design of different launch vehicle configurations. Astos Solutions has developed the multi-disciplinary optimization and launcher GNC simulation and sizing tool (LGSST) under ESA contract. The functionality is integrated in the Analysis, Simulation and Trajectory Optimization Software for space applications (ASTOS) and is intended to be used from the early design phases up to phase B1 activities. ASTOS shall enable the user to perform detailed vehicle design tasks and assessment of GNC systems, covering all aspects of rapid configuration and scenario management, sizing of stages, trajectory-dependent estimation of structural masses, rigid and flexible body dynamics, navigation, guidance and control, worst case analysis, launch safety analysis, performance analysis, and reporting.


Launcher GNC ASTOS ESA Ariane Safety 

Supplementary material

12567_2017_160_MOESM1_ESM.pdf (5.4 mb)
Supplementary material 1 (PDF 5500 kb)


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Copyright information

© CEAS 2017

Authors and Affiliations

  1. 1.Astos Solutions GmbHStuttgartGermany

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