Accession Number : AD0624133

Title :   A COMPUTING PROGRAM FOR TRACKING ERROR ANALYSIS OF KEPLERIAN TRAJECTORIES,

Corporate Author : RAND CORP SANTA MONICA CALIF

Personal Author(s) : Gabler,R. T. ; Belcher,S. J.

Report Date : OCT 1965

Pagination or Media Count : 51

Abstract : This memorandum presents a computer program for determining the accuracy of instrumentation used in estimating the position and velocity of a vehicle in nearKeplerian motion. The accuracy with which two coordinates of the tracking stations may be estimated may also be determined. The information from a tracking network which represents an overdetermination of trajectory parameters is assumed to be combined in a general least-squares sense. The results appear as covariance matrices, confidence regions and standard deviations. The computer routine described here computes all partial derivatives from analytic formulas and provides for possible tracking-station motion limited to great-circle paths. (Author)

Descriptors :   (*COMPUTER PROGRAMMING, TRACKING), (*TRACKING, ERRORS), (*ORBITS, DETERMINATION), CELESTIAL MECHANICS, INERTIAL NAVIGATION, STATISTICAL ANALYSIS, S MATRIX

Subject Categories : Celestial Mechanics
      Computer Programming and Software

Distribution Statement : APPROVED FOR PUBLIC RELEASE