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Volume 17 -- Issue 12
Above the Solar System -- December 2011

Name December 07 December 17 December 27
Mercury 088o 28' 146o 25' 189o 52'
Venus 323o 14' 339o 04 354o 57'
Earth 074o 30' 084o 40' 094o 51'
Mars 124o 59' 129o 27' 133o 54'
Jupiter 038o 49' 039o 44' 040o 38'
Saturn 201o 56' 202o 16' 202o 35'
Plot planet positions using polar graph paper or the provided activity sheet.

This uses a coordinate system which allows for the plotting of a planet position along its orbital path using degrees (0o to 360o) of heliocentric longitude. Once plotted the orbital position of one planet could be compared with that of another planet. Or the relative orbital speeds of an inner planet could be compared with that of an outer planet.

Terrestrial Planets in Motion at 5 day intervals - December 2011
Above the Terrestrial Planets - December 2011