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Flight demonstration of formation flying capabilities for future missions (NEAT Pathfinder)
KTH, School of Electrical Engineering (EES), Signal Processing. OHB Sweden.ORCID iD: 0000-0001-7664-0707
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2014 (English)In: Acta Astronautica, ISSN 0094-5765, Vol. 105, no 1, 82-94 p.Article in journal (Refereed) Published
Abstract [en]

PRISMA is a demonstration mission for formation-flying and on-orbit-servicing critical technologies that involves two spacecraft launched in low Earth orbit in June 2010 and still in operation. Funded by the Swedish National Space Board, PRISMA mission has been developed by OHB-Sweden (formerly Swedish Space Corporation) with important contributions from the German Aerospace Centre (DLR/GSOC), the French Space Agency (CNES), and the Technical University of Denmark (DTU). The paper focuses on the last CNES experiment achieved in September 2012 that was devoted to the preparation of future astrometry missions illustrated by the NEAT and mu-NEAT mission concepts. The experiment consisted of performing the type of formation maneuvers required to point the two-satellite axis to a celestial target and maintain it fixed during the observation period. Achieving inertial pointing for a LEO formation represented a new challenge given the numerous constraints from propellant usage to star tracker blinding. The paper presents the experiment objectives in relation with the NEAT/mu-NEAT mission concept, describes its main design features along with the guidance and control algorithms evolutions and discusses the results in terms of performances achieved during the two rehearsals.

Place, publisher, year, edition, pages
2014. Vol. 105, no 1, 82-94 p.
National Category
Aerospace Engineering
URN: urn:nbn:se:kth:diva-164913DOI: 10.1016/j.actaastro.2014.05.027ISI: 000347021400011ScopusID: 2-s2.0-84907494591OAI: diva2:806476

QC 20150421

Available from: 2015-04-20 Created: 2015-04-20 Last updated: 2015-04-21Bibliographically approved

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