Outer planets & Pluto

Major planet positions are calculated by the VSOP87 method (J. Meeus, Astronomical Algorithms, Willmann-Bell). Positions of Pluto are calculated from the latest osculating elements given in the Minor Planet Centre's database. Star data are from the Hipparcos/Tycho databases.

Link to chartOpposition dateOpposition
Uranus 20162016 Oct 155.7
Neptune 20162016 Sep 27.8
Pluto 20162016 Jul 714.1

next to a chart provides a link to a red-on-black version, for display while observing.

The printed Handbooks have always plotted the outer planets on the coordinate system for the mid-year (eg, J2012.5). Here we have used J2000.0 in the hope that it is more useful in practice. Some feedback would be useful.

Section Director
Steve Harvey

Section Director, Steve Harvey

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