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Lunar shape via the Apollo laser altimeter.The laser altimeter data obtained from the Apollo 15 and Apollo 16 missions provide two elevation cross sections of the moon separated by 35 degrees of latitude. The data consist of measurements of the distance from the orbiting Command and Service Module (CSM) to the lunar surface at intervals of about 20 seconds. In order to extract the lunar shape parameters from the data, the position of the CSM must be known. This was accomplished by reducing the data from earth-based radio tracking of the CSM. The most striking result obtained in the studies is the consistency of the center of gravity offset in both the X and Y directions.
Document ID
19730033421
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Sjogren, W. L.
(California Institute of Technology, Jet Propulsion Laboratory, Pasadena Calif., United States)
Wollenhaupt, W. R.
(NASA Manned Spacecraft Center Houston, Tex., United States)
Date Acquired
August 7, 2013
Publication Date
January 19, 1973
Publication Information
Publication: Science
Volume: 179
Subject Category
Space Sciences
Accession Number
73A18223
Funding Number(s)
CONTRACT_GRANT: NAS7-100
Distribution Limits
Public
Copyright
Other

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