SINGLE PASS FIT PROGRAM (SPFP)

Abstract

The Single Pass Fit Program (SPFP) is designed for use on the CDC 6400 or 6600 machine as the principal computational tool for preliminary orbit determination and processing of single arcs of raw tracking data. By an iterative differential correction procedure, it solves for a set of trajectory parameters, namely, initial position and velocity (and drag coefficient if desired) of the vehicle, which minimize the differences between measured and computed observation measurements. A comprehensive description of the mathematical model implemented in the SPFP is presented with emphasis placed on key characteristics, such as reference systems and equations, data processing and self-initializing techniques, residual editing, and differential correction. In addition, a basic usage guide is given complete instructions for input data preparation and program operation.

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1967
Accession Number
AD0826119

Entities

People

  • Dennis C. Walker
  • Guenther Buechler

Organizations

  • The Aerospace Corporation

Tags

Communities of Interest

  • Materials and Manufacturing Processes
  • Space
  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Coefficients
  • Computational Science
  • Data Processing
  • Differential Equations
  • Equations
  • Equations Of Motion
  • Government (Foreign)
  • Inertial Navigation Systems
  • Mathematical Models
  • Mathematics
  • Measurement
  • Models
  • Numerical Integration
  • Real Variables
  • Trajectories
  • Variational Equations

Fields of Study

  • Physics

Readers

  • Computer Science.
  • Space Exploration and Orbital Mechanics.

Technology Areas

  • Space
  • Space - Spacecraft Maneuvers