precomputed curve

precomputed curve

[′prē·kəm‚pyüd·əd ′kərv]
(navigation)
A graphical representation of the azimuth or altitude of a celestial body which is plotted against time for a given assumed position or positions, and which is computed for subsequent use with celestial observations.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.