Approximately forty astronomers and physicists met on October 16 and 17, 1962, at the Institute for Space Studies in New York City, to discuss the properties of the planet Jupiter. The Institute is part of the Goddard Space Flight Center, National Aeronautics and Space Administration. The meeting was organized by R. Wildt and H. J. Smith of the Yale University Astronomy Department, and members of the Institute, directed by Robert Jastrow, acted as hosts.