The nanosatellite URSA MAIOR micropropulsion system

F. Santoni*, G. Manzoni, P. Miotti, F. De Grandis, G. Mosetti, E. Di Fabrizio

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

A cold gas micropropulsion system for attitude control, installed on the one liter nanosatellite URSA MAIOR, is described. The system uses nitrogen gas stored in a tank as a propellant, improving the specific impulse by heating the gas before it reaches the expansion nozzle. The most innovative components of the system are the microthrusters, manufactured on a few millimeters size silicon chip, which allows to obtain very low thrust levels at a high efficiency. The micropropulsion system design, integration and performance evaluation are discussed in the paper. The theoretical performance is compared with ground testing results, showing a very good agreement. The system can be scaled to the needs of different missions, giving thrusts ranging from 20μN to 2mN.

Original languageEnglish (US)
Title of host publicationPROCEEDINGS OF THE 5TH ESA INTERNATIONAL CONFERENCE ON SPACECRAFT GUIDANCE, NAVIGATION AND CONTROL SYSTEMS
EditorsRA Harris, K Fletcher
PublisherESA PUBLICATIONS DIVISION C/O ESTEC
Pages431-436
Number of pages6
Edition516
ISBN (Print)92-9092-826-3
StatePublished - Feb 2003
Externally publishedYes
Event5th ESA International Conference on Spacecraft Guidance, Navigation and Control Systems - FRASCATI, Italy
Duration: Oct 22 2002Oct 25 2002

Publication series

NameESA SPECIAL PUBLICATIONS
PublisherESA PUBLICATIONS DIVISION C/O ESTEC
Volume516
ISSN (Print)0379-6566

Conference

Conference5th ESA International Conference on Spacecraft Guidance, Navigation and Control Systems
CountryItaly
CityFRASCATI
Period10/22/0210/25/02

ASJC Scopus subject areas

  • Aerospace Engineering

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