C/2009 R1 ( McNaught )

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Updated on April 6, 2013

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* 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

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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.

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Copyright(C) Seiichi Yoshida (comet@aerith.net). All rights reserved.