2 November 1998 Solar Polar Sail mission: report of a study to put a scientific spacecraft in a circular polar orbit about the sun
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The Solar Polar Sail Mission uses solar-sail propulsion to place a spacecraft in a circular orbit 0.48 Au from the Sun with an inclination of 90 degrees. The spacecraft's orbit around the Sun is in 3:1 resonance with Earth phased such that the Earth-Sun-spacecraft angle range from 30 degrees to 150 degrees. The polar view will further our understanding of: (1) the global structure and evolution of the corona, (2) the initiation, evolution, and propagation of coronal mass ejections; (3) the acceleration of the solar wind; (4) the interactions of rotation, magnetic fields, and convection within the Sun; (5) the acceleration and propagation of energetic particles; and (6) the rate of angular momentum loss by the Sun. Candidate imaging instruments are a coronagraph, an all-sky imager for following mass ejections and interaction regions from the Sun to 1 AU, and a disk imager. A lightweight package of fields and particle instruments is included. A mission using a 158 m square sail with an effective areal density of 6 g/m2 would cost approximately $LR 250-300M for all mission phases, including the launch vehicle. This mission depends on the successful development and demonstration of solar-sail propulsion.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Bruce E. Goldstein, Bruce E. Goldstein, Andrew Buffington, Andrew Buffington, Alan C. Cummings, Alan C. Cummings, Richard R. Fisher, Richard R. Fisher, Bernard V. Jackson, Bernard V. Jackson, Paulett C. Liewer, Paulett C. Liewer, Richard A. Mewaldt, Richard A. Mewaldt, Marcia Neugebauer, Marcia Neugebauer, } "Solar Polar Sail mission: report of a study to put a scientific spacecraft in a circular polar orbit about the sun", Proc. SPIE 3442, Missions to the Sun II, (2 November 1998); doi: 10.1117/12.330265; https://doi.org/10.1117/12.330265


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