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1979J2 - Discovery of a previously unknown Jovian satelliteDetailed examination of imaging data of Jupiter taken by Voyager 1 reveals a previously unknown satellite 1979J2. Analysis of the image on the Jovian disk indicates that it is not an atmospheric feature or the shadow of any known satellite. The orbital period is calculated at 16 hours 11 minutes 21.25 seconds + or - 0.5 second and the semimajor axis is 3.1054 Jupiter radii. The observed profile is roughly circular with a diameter of 80 kilometers. An albedo of approximately 0.05 is reported, which is similar to Amalthea's. The geometry of the observational situation is illustrated.
Document ID
19810027842
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Synnott, S. P.
(California Institute of Technology, Jet Propulsion Laboratory, Pasadena Calif., United States)
Date Acquired
August 11, 2013
Publication Date
November 14, 1980
Publication Information
Publication: Science
Volume: 210
Subject Category
Lunar And Planetary Exploration
Accession Number
81A12246
Funding Number(s)
CONTRACT_GRANT: NAS7-100
Distribution Limits
Public
Copyright
Other

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