NASA NTRS · 19730052426
Mariner 9 areographic coordinate system.
Abstract
The basic elements of the physical ephemeris of Mars are reexamined, and the new values adopted for the Mariner 9 mapping are specified, in particular, for the direction of the spin axis and the first meridian.
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De Vaucouleurs, G., Davies, M. E., Sturms, F. M., Jr.. 1973-07-10. Mariner 9 areographic coordinate system.. https://ntrs.nasa.gov/citations/19730052426
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