C/2011 Q4 ( SWAN )

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Updated on July 12, 2021

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. 21.08307 TT MPC q 1.1122163 (2000.0) P Q z +0.0232513 Peri. 1.88046 -0.33385553 -0.79502194 +/-0.0000021 Node 252.08609 -0.87163964 +0.05583195 e 0.9741395 Incl. 147.84291 -0.35886602 +0.60400572 From 157 observations 2011 Sept. 4-2012 Mar. 26, 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-G45. The magnitudes graphs are made with Comet for Windows.