The Europeon Space Agency's approximately Giotto mission plans for a launch in July 1985 with a Halley encounter in mid-March 1986 4 weeks after the comet's perihelion passage. Giotto carries 10 scientific experiments, a camera, neutral, ion and dust mass spectrometers, a dust impact detector system, various plasma analyzers, a magnetometer and an optical probe. The instruments are described, the principles on which they are based are described, and the experiment key performance data are summarized. The launch constraints the helicentric transfer trajectory, and the encounter scenario are analyzed. The Giotto spacecraft major design criteria, spacecraft subsystem and the ground system are described. The problem of hypervelocity dust particle impacts in the innermost part of the coma, the problem of spacecraft survival, and the adverse effects of impact-generated plasma aroung the spacecraft are considered.


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    Titel :

    The ESA mission to Comet Halley


    Beteiligte:
    Reinhard, R. (Autor:in)


    Erscheinungsdatum :

    1981-10-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    A ballistic mission to fly by Comet Halley

    BOAIN, R. / HASTRUP, R. | AIAA | 1980


    A ballistic mission to fly by Comet Halley

    Boain, R. J. / Hastrup, R. C. | NTRS | 1980



    Comet Halley: Nucleus and jets (results of the VEGA mission)

    Sagdeev, R.Z. / Avanesov, G.A. / Barinov, I.V. et al. | Elsevier | 1985


    Plans for Comet Halley

    Rahe, J. | NTRS | 1981