Space Surveillance denotes the task of systematically surveying and tracking all objects above a ... more Space Surveillance denotes the task of systematically surveying and tracking all objects above a certain size and maintaining a catalogue with updated orbital and physical characteristics for these objects. Space Surveillance is gaining increased importance as the operational safety of spacecraft is depending on it. At the moment, Europe has no capability for Space Surveillance and is strongly dependant on external information from USA and Russia. In 2002, ESA specified a design study for a European Space Surveillance System. The study was awarded to a team led by ONERA and this paper gives its main results. Among the required functions for this ground-based system, the study focuses on establishing and maintaining a catalogue of objects with actual orbital parameters. The main drivers for the system design are the minimum objects size (10 cm in LEO and 1 m in GEO) and the autonomy requirement. Considering space objects distribution, two subsystems are studied independently: LEO Space Surveillance System (SSS) and GEO SSS. The complete system is considered as the combined use of both subsystems .
Mission Design and Implementation of Satellite Constellations, 1998
At the beginning of the 21st century, the power of a country will be related to its capability to... more At the beginning of the 21st century, the power of a country will be related to its capability to communicate and to access efficiently the so-called ‘Global Information Infrastructure’ (GII). Several terrestrial alternatives are available for broadband communications, but all are subject to some limitations (cost, availability of the infrastructure, time to install). Satellites appear to be the right answer to complement these terrestrial networks. WEST is a Matra Marconi Space initiative answering this need for multimedia services.
Space Surveillance denotes the task of systematically surveying and tracking all objects above a ... more Space Surveillance denotes the task of systematically surveying and tracking all objects above a certain size and maintaining a catalogue with updated orbital and physical characteristics for these objects. Space Surveillance is gaining increased importance as the operational safety of spacecraft is depending on it. At the moment, Europe has no capability for Space Surveillance and is strongly dependant on external information from USA and Russia. In 2002, ESA specified a design study for a European Space Surveillance System. The study was awarded to a team led by ONERA and this paper gives its main results. Among the required functions for this ground-based system, the study focuses on establishing and maintaining a catalogue of objects with actual orbital parameters. The main drivers for the system design are the minimum objects size (10 cm in LEO and 1 m in GEO) and the autonomy requirement. Considering space objects distribution, two subsystems are studied independently: LEO Space Surveillance System (SSS) and GEO SSS. The complete system is considered as the combined use of both subsystems .
Mission Design and Implementation of Satellite Constellations, 1998
At the beginning of the 21st century, the power of a country will be related to its capability to... more At the beginning of the 21st century, the power of a country will be related to its capability to communicate and to access efficiently the so-called ‘Global Information Infrastructure’ (GII). Several terrestrial alternatives are available for broadband communications, but all are subject to some limitations (cost, availability of the infrastructure, time to install). Satellites appear to be the right answer to complement these terrestrial networks. WEST is a Matra Marconi Space initiative answering this need for multimedia services.
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Papers by pascal brousse