C/2009 P1 ( Garradd )

Japanese version Home page

Updated on May 7, 2015

Profile Discovery Date August 13, 2009 Magnitude 17.5 mag Discoverer G. J. Garradd (Siding Spring Observatory) Pictures

Orbital Elements Epoch 2011 Dec. 25.0 TT = JDT 2455920.5 T 2011 Dec. 23.67643 TT MPC q 1.5505362 (2000.0) P Q z -0.0006452 Peri. 90.74636 -0.16659237 -0.82691440 Node 325.99761 -0.58720598 +0.52077429 e 1.0010003 Incl. 106.17731 +0.79210866 +0.21214785 From 9040 observations 2008 Sept. 27-2014 Feb. 26, mean residual 0".6. Nongravitational parameters A1 = +2.14, A2 = -0.1233.

Finding Charts

Magnitudes Graph m1 = 3.2 + 5 log d + 10.5 log r [ ,0] ( - 2011 Dec. 23) m1 = 2.1 + 5 log d + 16.0 log r [0, ] (2011 Dec. 23 - )

The orbital elements are published on M.P.E.C. 2014-O54. The charts are made with StellaNavigator Ver.8 (AstroArts). The magnitudes graphs are made with Comet for Windows.