A Distributed Satellite System for Multibaseline AT-InSAR: Constellation of Formations for Maritime Domain Awareness Using Autonomous Orbit Control

Kathiravan Thangavel, Pablo Servidia, Roberto Sabatini, Pier Marzocca, Haytham Fayek, Santiago Husain Cerruti, Martin España, Dario Spiller

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Space-based Earth Observation (EO) systems have undergone a continuous evolution in the twenty-first century. With the help of space-based Maritime Domain Awareness (MDA), specially Automatic Identification Systems (AIS), their applicability across the world’s waterways, among others, has grown substantially. This research work explores the potential applicability of Synthetic Aperture Radar (SAR) and Distributed Satellite Systems (DSS) for the MDA operation. A robust multi-baseline Along-Track Interferometric Synthetic Aperture Radar (AT-InSAR) Formation Flying concept is proposed to combine several along-track baseline observations effectively for single-pass interferometry. Simulation results are presented to support the feasibility of implementing this acquisition mode with autonomous orbit control, using low-thrust actuation suitable for electric propulsion. To improve repeatability, a constellation of this formation concept is also proposed to combine the benefits of the DSS. An MDA application is considered as a hypothetical mission to be solved by this combined approach.

Original languageBritish English
Article number176
JournalAerospace
Volume10
Issue number2
DOIs
StatePublished - Feb 2023

Keywords

  • astrionics
  • autonomous orbit control
  • autonomous systems
  • constellation of formations
  • control systems
  • distributed satellite system
  • electric propulsion
  • Formation Flying
  • intelligence surveillance and reconnaissance (ISR)
  • maritime domain awareness
  • multi-baseline AT-InSAR
  • Trusted Autonomous Satellite Operations (TASO)

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