C/2009 R1 ( McNaught )

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Updated on April 6, 2013

Profile Discovery Date September 9, 2009 Magnitude 17.3 mag Discoverer R. H. McNaught (Siding Spring) Pictures

Orbital Elements Epoch 2010 June 13.0 TT = JDT 2455360.5 T 2010 July 2.67930 TT MPC q 0.4050654 (2000.0) P Q z -0.0009039 Peri. 130.69723 -0.41486362 -0.69132185 +/-0.0000019 Node 322.62252 +0.19335374 +0.56833383 e 1.0003661 Incl. 77.03007 +0.88910208 -0.44617347 From 607 observations 2009 July 20-2010 June 29, mean residual 0".7.

Finding Charts

Magnitudes Graph m1 = 6.5 + 5 log d + 12.0 log r [ ,-24] ( - 2010 June 8) m1 = 5.0 + 5 log d + 1.0 log r [-24, 24] (2010 June 8 - 2010 July 26) m1 = 6.5 + 5 log d + 12.0 log r [ 24, 64] (2010 July 26 - 2010 Sept. 4) m1 = -1.5 + 5 log d + 60 log r [ 64, ] (2010 Sept. 4 - ) * Gray curve is: m1 = 6.5 + 5 log d + 12.0 log r

The orbital elements are published on M.P.E.C. 2013-B90. The charts are made with StellaNavigator Ver.8 (AstroArts). The magnitudes graphs are made with Comet for Windows.