117P/Helin-Roman-Alu 1 (2014)

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Updated on August 28, 2018

Profile Pictures

Orbital Elements Epoch 2014 Apr. 13.0 TT = JDT 2456760.5 T 2014 Mar. 27.15682 TT MPCW q 3.0563461 (2000.0) P Q n 0.11888654 Peri. 222.68161 +0.19404173 +0.97241117 a 4.0961978 Node 58.89726 -0.85433883 +0.23237865 e 0.2538578 Incl. 8.69737 -0.48213376 -0.02041291 P 8.29 From 3432 observations 1988 Aug. 10-2015 Sept. 25, mean residual 0".7. Nongravitational parameters Y1 = +0.34, Y2 = +0.0248.

Finding Charts

Magnitudes Graph m1 = 3.0 + 5 log d + 18.0 log r

The orbital elements are published on M.P.E.C. 2015-S97. The charts are made with StellaNavigator Ver.8 (AstroArts). The magnitudes graphs are made with Comet for Windows.