Comet Nucleus Sample Return Mission with electrically propelled spacecraft

Details Comet Nucleus Sample Return Mission with electrically propelled spacecraft Comet Nucleus Sample Return Mission with electrically propelled spacecraft

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.249...93s&link_type=abstract

In ESA Proceedings of an ESA Workshop on the Comet Nucleus Sample Return Mission p 93-102 (SEE N87-25109 18-90)

Physics

Comet Nuclei, Core Sampling, Electric Propulsion, Flyby Missions, Orbital Rendezvous, Round Trip Trajectories, Samples, Mission Planning, Spacecraft Configurations, Spacecraft Design, Spacecraft Recovery

Scientific paper

A mission to return several kilograms of cometary nucleus material to Earth is described. The total delta-v requirement of this mission amounts to 40 km per sec. It can be produced by the combination of a launch vehicle that puts the spacecraft on its cometary transfer trajectory; an electric or ion propulsion system that enables the spacecraft to rendezvous with the comet, and to return to the Earth's solar orbit after the cometary rendezvous; a chemical propulsion system that permits the spacecraft to maneuver in the vicinity of the comet; an orbital transfer vehicle that meets the returning spacecraft in the Earth's solar orbit and takes it back into a low Earth orbit; and an Earth-return vehicle that retrieves the cometary samples to Earth. Comet Wild 2 is a suitable candidate during its 1997 perihelion passage.

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