C/2006 HW51 ( Siding Spring )

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Updated on September 23, 2007

Profile Discovery Date April 23, 2006 Magnitude 17.5 mag Discoverer Gordon Garradd (Siding Spring)

Orbital Elements The following orbital elements are taken from MPC 59874: Epoch 2006 Sept. 22.0 TT = JDT 2454000.5 T 2006 Sept. 29.3093 TT MPC q 2.265649 (2000.0) P Q z -0.001014 Peri. 359.9597 -0.6678374 +0.5185743 +/-0.000005 Node 228.1277 -0.6826877 -0.7125638 e 1.002298 Incl. 45.8096 -0.2965311 +0.4725817 From 173 observations 2006 Apr. 23-2007 May 17, mean residual 0".4.

Finding Charts

Magnitudes Graph m1 = 11.0 + 5 log d + 10.0 log r

The orbital elements are published at the MPC Ephemerides and Orbital Elements. The charts are made with StellaNavigator Ver.2.0 for Windows (AstroArts / ASCII). The magnitudes graphs are made with Comet for Windows.