Computer program generates and verifies operational launch vehicle targeting presettings for lunar free-return missions and lunar landing missions. Program is applicable in astronomy and nuclear physics, and in areas where improved targeting techniques are valuable

Bosley, J. T.

English

NASA Technical Reports Server

May 1971	 Brief 71-10147 
NASA TECH BRIEF 
_4V Marshall Space Flight Center 
NASA Tech Briefs announce new technology derived from the U.S. space program. They are issued to encourage 
commercial application. Tech Briefs are available on a aubscription basis from the National Technical Information 
Service, Springfield,' Virginia 22151. Requests for individual copies or questions relating to the. Tech Brief program may 
be directed to the Technology Utilization Office, NASA, Code KT, Washington, D.C. 20546. 
Quick Response Targeting Program 
The Quick Response Targeting Program is the 
only known computer program designed to both gen-
erate and verify operational launch vehicle targeting 
presettings for lunar free-return missions. Though used 
primarily for lunar landing missions, the program 
should also find application in the fields of astron-
omy and nuclear physics, and in areas where an 
improved targeting technique would be valuable. 
The program is actually a package consisting of 
the Preprocessor Program, the Translunar Injection 
Program, the Launch Vehicle Simulation Program, 
and the Trajectory Data Post Processor. The magnetic 
tape linkage between the component programs, to-
gether with a reliable lunar trajectory design, provide 
a rapid response for mission retargeting, in addition 
to an efficient nominal mission targeting capability. 
The program supplies a higher degree of computa-
tion accuracy, a faster response, and a significantly 
increased reliability over targeting techniques pre-
viously available.
Notes: 
I. The program package is written in FORTRAN 
IV and ASSEMBLER languages for use on the 
IBM-360 computer. 
2. Requests for further information may be directed 
to:
COSMIC 
Barrow Hall 
University of Georgia 
Athens, Georgia 30601 
Reference: B71-10147 
Patent status: 
No patent action is contemplated by NASA. 
Source: Jerry T. Bosley of

The Boeing Company

under contract to

Marshall Space Flight Center

(MFS-15 157) 
Category 09 
This document was prepared under the sponsorship of the National 	 Government assumes any liability resulting from the use of the 
Aeronautics and Space Administration. Neither the United States	 information contained in this document, or warrants that such use 
Government nor any person acting on behalf of the United States
	 will be free from privately owned Aghts.
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Quick response targeting program

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