103P/Hartley 2 (2010)

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Updated on February 8, 2021

Profile Pictures

Orbital Elements Epoch 2010 Oct. 11.0 TT = JDT 2455480.5 T 2010 Oct. 28.25947 TT MPC q 1.0586787 (2000.0) P Q n 0.15231548 Peri. 181.20113 +0.75553305 -0.63756802 a 3.4724822 Node 219.75985 +0.60299837 +0.76665465 e 0.6951234 Incl. 13.61827 +0.25605230 +0.07581341 P 6.47 From 6302 observations 1997 May 2-2013 May 14, mean residual 0".7. Nongravitational parameters A1 = +0.19, A2 = +0.0273.

Finding Charts

Magnitudes Graph H = 16.8 G = 0.15 [ ,-360] ( - 2009 Nov. 2) m1 = 8.7 + 5 log d + 20.0 log r(t - 20) [-360, 120] (2009 Nov. 2 - 2011 Feb. 25) m1 = 10.5 + 5 log d + 10.0 log r [ 120, ] (2011 Feb. 25 - )

The orbital elements are published on M.P.E.C. 2013-M31. The charts are made with StellaNavigator Ver.2.0 for Windows (AstroArts / ASCII). The magnitudes graphs are made with Comet for Windows.