C/2011 Q4 ( SWAN )

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Updated on January 22, 2012

Profile Discovery Date August 23, 2011 Magnitude Discoverer Vladimir Bezugly (Dnepropetrovsk, Ukraine), Robert D. Matson (Irvine, CA, U.S.A.) Pictures

Orbital Elements Epoch 2011 Oct. 6.0 TT = JDT 2455840.5 T 2011 Sept. 21.08303 TT MPC q 1.1122052 (2000.0) P Q z +0.0232695 Peri. 1.88053 -0.33384776 -0.79502564 +/-0.0000068 Node 252.08662 -0.87164237 +0.05582753 e 0.9741196 Incl. 147.84307 -0.35886661 +0.60400126 From 140 observations 2011 Sept. 4-2012 Jan. 18, mean residual 0".5.

Finding Charts

Magnitudes Graph m1 = 9.0 + 5 log d + 20.0 log r

The orbital elements are published on M.P.E.C. 2012-B23. The magnitudes graphs are made with Comet for Windows.