C/2009 Y1 ( Catalina )

Japanese version Home page

Updated on July 12, 2021

Profile Discovery Date December 17, 2009 Magnitude 19.4 mag Discoverer Catalina Sky Survey Pictures

Orbital Elements Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 T 2011 Jan. 28.90273 TT MPC q 2.5204956 (2000.0) P Q z +0.0026533 Peri. 127.39168 +0.65144202 +0.68689699 +/-0.0000003 Node 160.27724 -0.28549181 -0.17149596 e 0.9933123 Incl. 107.31641 +0.70293507 -0.70623060 From 1586 observations 2009 Dec. 17-2011 Dec. 23, mean residual 0".5.

Finding Charts

Magnitudes Graph m1 = 5.5 + 5 log d + 15.0 log r(t - 15)

The orbital elements are published on M.P.E.C. 2013-A29. The charts are made with StellaNavigator Ver.8 (AstroArts). The magnitudes graphs are made with Comet for Windows.