Computer Science
Scientific paper
Dec 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979icar...40..423b&link_type=abstract
Icarus, vol. 40, Dec. 1979, p. 423-433.
Computer Science
Asteroids, Feasibility Analysis, Flyby Missions, Mission Planning, Space Missions, Ariane Launch Vehicle, Chemical Composition, Surface Properties
Scientific paper
Specific information on the surface morphology, composition, mean density, and internal structure of asteroids, which is necessary to advance our understanding of asteroids, can be obtained only by a detailed investigation of individual bodies: this will require space missions to individual targets. Since an essential characteristic of the asteroids is their variety, several objects must be visited. The Ariane launcher developed presently in Europe makes a multiple flyby mission possible. The first results of our feasibility study are particularly encouraging: during one revolution, five to six preselected main belt asteroids may be approached to within 1000 km with relative velocities which lie between 3 and 14 km/sec using a total impulse correction on the order of 1 to 2 km/sec. The weight of the spacecraft, excluding the engine and the propellant, would be at least 250 kg. This allows a scientific payload of 50 to 60 kg, in which priority will be given to an imaging system and radar altimeter.
Brahic Andre
Breton Jacques
Caubel J.
Cazenvae A.
Cruvellier P.
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