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GNOSIS Sandpit on Novel/Non-traditional Observation Techniques

December 15, 2021 @ 1:30 pm 5:00 pm

This sandpit links to the topics discussed in the July 2021 workshop.

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You can view a recording of the event on YouTube:

13:30Welcome – Afternoon Programme and ContentRalph Dinsley, NORSS
13:40“The Trials and Tribulations of Analysing the Russian ASAT Test”Sean Goldsbrough, UKSA Senior Orbital Analyst
14:101st Session: Radar Tracking Capabilities (passive/active)
Session chairs/moderators:
Massimiliano Vasile and Carmine Clemente, Strathclyde University
IntroductionCarmine Clemente
Intercontinental Radar Bistatic System (IRIS)Christos Ilioudis
3D Phased Array Antenna for Space Debris Detection and TrackingSebastian Diaz Riofrio
CASSANDRA – Computational Agent for Space Situational Awareness and Debris Remediation ActionsMassimiliano Vasile
Discussion period. Open to the ‘Floor’
15:302nd Session: Optical Tracking CapabilitiesSession chairs/moderators:
Nazim Bharmal and
James Osborn, Durham University
Introduction and state-of-the-field in optical tracking
Astronomy-inspired active optical illuminationNazim Bharmal
Wide-field observations for mitigating satellite interference in astronomyJames Osborn
Hyperspectral imaging of space objectsMassimiliano Vasile
Discussion period. Open to the ‘Floor’
16:35Update: GNOSIS Technical ChallengesStuart Eves, SJE Space Ltd.
16:50Closing Remarks and The Way ForwardRalph Dinsley, NORSS

Abstracts for the presentations:

Intercontinental Radar bIstatic System (IRIS)

This project will demonstrate the space situational awareness capabilities of a long baseline multistatic radar system repurposing existing facilities. It will also develop novel target behaviour analyses tools applied to this sensor configuration. The project will exploit an existing experimental Long Baseline Bistatic Radar campaign carried out under the NATO-SET 293 “RF Sensing for Space Situational Awareness” RTG. The project will demonstrate the benefits of this peculiar configuration, including resource reuse, while investigating advanced processing solutions to handle the intrinsic challenges that this system has. Unlocking the potential of distributing sensing, this project can have a significant impact in advancing additional capabilities such as target behaviour analysis.

3D Phased Array Antenna for Space Debris Detection and Tracking

This project aims to create a system that can detect and track space debris using a novel 3D phased arrays on both space borne and ground-based radar receivers. The main objective of the project is to develop an active and a passive radar system that could track and identify space debris. The passive radar paradigm makes the approach interesting in terms of resource reuse and low-cost deployment, particularly in space. While the 3D phased array active radar paradigm can allow continuous steering on a particular target with the objective of reducing the minimum detectable target size.

CASSANDRA – Computational Agent for Space Situational Awareness and Debris Remediation Actions

This talk will explain how the use of in-space and on ground radar measurements can be integrated in the framework of CASSANDRA to enable robust decision support for both conjunction analysis and collision avoidance manoeuvre execution. The talk will briefly introduce the CASSANDRA framework and then presents how this AI framework ingests radar measurements, computes the probability of collision and makes robust decisions on the execution of CAMs. Both single encounter and multi-encounter scenarios are considered.

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