121P/Shoemaker-Holt 2 (2013)

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Updated on March 3, 2018

Profile

Orbital Elements Epoch 2013 Sept. 25.0 TT = JDT 2456560.5 T 2013 Sept. 8.27559 TT MPCW q 3.7549473 (2000.0) P Q n 0.09919633 Peri. 12.51692 -0.27481629 -0.89792376 a 4.6217415 Node 94.22534 +0.84976753 -0.39412567 e 0.1875471 Incl. 20.16667 +0.44985680 +0.19595374 P 9.94 From 545 observations 1989 Mar. 4-2016 May 6, mean residual 0".6. Nongravitational parameters A1 = -0.70, A2 = +0.0433.

Magnitudes Graph m1 = 11.5 + 5 log d + 10.0 log r

The orbital elements are published on M.P.E.C. 2016-K18. The magnitudes graphs are made with Comet for Windows.