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Deep-Space Navigation Applications of Improved Ground-Based Optical Astrometry

Null, G. W.; Owen, W. M., Jr.; Synnott, S. P.

Improvements in ground-based optical astrometry will eventually be required for navigation of interplanetary spacecraft when these spacecraft communicate at optical wavelengths. Although such spacecraft may be some years off, preliminary versions of the astrometric technology can also be used to obtain navigational improvements for the Galileo and…