199P/Shoemaker 4 (2009)

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Updated on March 30, 2010

Profile Designation 199P/2008 G2 Recovery Date April 10, 2008 Magnitude 18.6 mag Recoverer Catalina Sky Survey Pictures

Orbital Elements The following orbital elements are taken from MPC 66205: Epoch 2009 Mar. 30.0 TT = JDT 2454920.5 T 2009 Apr. 9.8619 TT MPC q 2.935434 (2000.0) P Q n 0.0676223 Peri. 191.9271 +0.2377348 +0.8766431 a 5.966819 Node 92.9480 -0.8531987 +0.3942997 e 0.508040 Incl. 24.7626 -0.4642565 -0.2757257 P 14.6 From 516 observations 1994-2009, mean residual 0".6.

Finding Charts

Magnitudes Graph m1 = 1.5 + 5 log d + 25 log r [ ,-249] ( - 2008 Aug. 3) m1 = -16.5 + 5 log d + 60 log r(t + 300) [-249,-125] (2008 Aug. 3 - 2008 Dec. 5) m1 = 1.5 + 5 log d + 25 log r [-125, ] (2008 Dec. 5 - ) * Gray curve is: m1 = 1.5 + 5 log d + 25 log r

The orbital elements are published at the MPC Ephemerides and Orbital Elements. The charts are made with StellaNavigator Ver.8 (AstroArts). The magnitudes graphs are made with Comet for Windows.