Microsatellites enabling multicaptor formation flying ; the Essaim demonstrator

Details Microsatellites enabling multicaptor formation flying ; the Essaim demonstrator Microsatellites enabling multicaptor formation flying ; the Essaim demonstrator

Nov 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.571e..14a&link_type=abstract

Proceedings of The 4S Symposium: Small Satellites, Systems and Services (ESA SP-571). 20 - 24 September 2004, La Rochelle, Franc

Computer Science

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Scientific paper

In the last decade, the microsatellites capabilities have been strongly enhanced. On the same time, costs have been reduced to enable the conception of formation flying systems, sent to orbit with a single lauch. This kind of system is made of several identical satellites, each making an individual measurement ; all the individual measurements can be processed on ground to provide an enriched synthetic measurement, which would have required a big satellite for a less or equal level of performance. The techniques are well known since years, but micro or minisatellites can now turn them into real spaceborne applications. A few years ago, under a French MoD contract, EADS Astrium and THALES Airborne Systems started the development of the Essaim demonstrator. Essaim is designed to demonstrate the electro-magnetic signal interception feasibility from space, and the possibilities of a formation flying (swarm) system to prepare for coming fully operational systems. It is based onseveral microsatellites of 120kg each, flying in a "swarm" configuration, roughly controlled. All the microsatellites are launched simultaneously as piggyback payloads on ARIANE 5, by the end of this year. The microsatellites are built around the Myriade bus developed by CNES in cooperation with EADS Astrium. A three years experimentation phase is scheduled under the contract. This experiment opens the route to other experiments based on the same principle. Several months prior the launch, we already know that it shall be a very promising way.

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