celestial-inertial guidance

celestial-inertial guidance

[sə′les·chəl i′nər·shəl ′gīd·əns]
(navigation)
The process of directing the movements of an aircraft or spacecraft by an inertial guidance system which receives correction inputs from observations of celestial bodies. Also known as automatic celestial navigation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.