C/2009 UG89 ( Lemmon )

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Updated on December 18, 2011

Profile Discovery Date October 22, 2009 Magnitude 20.2 mag Discoverer A. D. Grauer (Mt. Lemmon Survey) Pictures

Orbital Elements Epoch 2010 Dec. 30.0 TT = JDT 2455560.5 T 2010 Dec. 16.26993 TT MPC q 3.9311722 (2000.0) P Q z -0.0020517 Peri. 60.65375 +0.02763335 -0.87612595 +/-0.0000005 Node 321.00846 -0.94852689 +0.12897582 e 1.0080657 Incl. 130.10046 +0.31548873 +0.46450894 From 867 observations 2009 Oct. 22-2011 Dec. 7, mean residual 0".5.

Finding Charts

Magnitudes Graph m1 = 2.0 + 5 log d + 20.0 log r

The orbital elements are published on M.P.E.C. 2011-Y02. The charts are made with StellaNavigator Ver.8 (AstroArts). The magnitudes graphs are made with Comet for Windows.