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Record charging events from Applied Technology Satellite 6Applied Technology Satellite 6 regularly charged to large negative potentials in sunlight and eclipse in the earth's midnight to dawn region. This geosynchronous satellite normally reached potentials of -100 to -1000 V in sunlight, and potentials of -100 to -10,000 V in eclipse. The largest potential recorded in eclipse for this satellite was -19 kV, in an environment characterized by an electron temperature of 18 keV. The most negative potential recorded in sunlight was -2 kV, at local dawn, while immersed in an 11-keV electron population. These are the most negative potentials reported from the geosynchronous orbit to date for eclipse and sunlight, respectively. The magnitudes of these potentials indicate the need for methods of potential control on satellites at these altitudes, particularly those with shadowed insulating surfaces.
Document ID
19880024510
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Olsen, R. C.
(Alabama, University Huntsville, United States)
Date Acquired
August 13, 2013
Publication Date
August 1, 1987
Publication Information
Publication: Journal of Spacecraft and Rockets
Volume: 24
ISSN: 0022-4650
Subject Category
Spacecraft Design, Testing And Performance
Accession Number
88A11737
Funding Number(s)
CONTRACT_GRANT: NAS8-33982
CONTRACT_GRANT: NAG3-620
Distribution Limits
Public
Copyright
Other

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