U.S. Geological Survey Geologic Investigations Series I–2769
This publication is a set of three sheets of topographic maps that presents color-coded topographic data digitally merged with shaded relief data.
Adopted figure: The figure for the Moon, used for the computation of the map projection, is a sphere with a radius of 1737.4 km. Because the Moon has no surface water, and hence no sea level, the datum (the 0 km contour) for elevations is defined as the radius of 1737.4 km. Coordinates are based on the mean Earth/polar axis (M.E.) coordinates system, the z axis is the axis of the Moons rotation, and the x axis is the mean Earth direction. The center of mass is the origin of the coordinate system. The equator lies in the xy plane and the prime meridian lies in the xz plane with east longitude values being positive.
Projection: The projection is Lambert Azimuthal Equal Area Projection. The scale factor at the central latitude and central longitude point is 1:10,000,000. For the near side hemisphere the central latitude and central longitude point is at 0° and 0°. For the far side hemisphere the central latitude and central longitude point is at 0° and 180°.
Last modified March 21, 2012
First posted May 8, 2003
For additional information:
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U.S. Geological Survey, 2003, Color-coded topography and shaded relief map of the lunar near side and far side hemispheres: U.S. Geological Survey Geologic Investigations Series I–2769, 3 sheets, available at https://pubs.usgs.gov/imap/i2769/.