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Volume 17 -- Issue 10
Above the Solar System -- October 2011

Name October 08 October 18 October 28
Mercury 216o 44' 245o 42' 273o 18'
Venus 228o 06' 244o 03 259o 56'
Earth 014o 22' 024o 15' 034o 34'
Mars 097o 08' 1101sup>o 55' 106o 38'
Jupiter 033o 21' 034o 16' 035o 10'
Saturn 199o 59' 200o 19' 200o 38'
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 - October 2011
Above the Terrestrial Planets - October 2011