A Study of the Compatibility of Science Instruments with the Solar Electric Propulsion Space Vehicle

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A Study of the Compatibility of Science Instruments with the Solar Electric Propulsion Space Vehicle

R. H. Parker / J. M. Ajello / A. Bratenahl / D. R. Clay / B. Tsurutani

Electromagnetic interference and field-of-view constraints are identified as the areas of most concern to science on solar electric propulsion space vehicles. Several areas are indicated which more detailed data on the space vehicle environment are needed. In addition, possible means to attain or demonstrate science/space vehicle compatibility are recommended for further iteration between space vehicle design and science payload considerations. The space vehicle design developed by the solar electric propulsion system integration technology effort is used. Two payload sets for comet Encke missions (a slow flyby and a rendezvous), as well as several instruments which are not included in the two payload sets, are analyzed to determine requirements on the space vehicle imposed by the instruments in order to meet their objectives. Environmental requirements for the sets of instruments are developed and compared to both the SEPSIT design criteria and the environment as it is presently understood. (Author)