73P/Schwassmann-Wachmann 3 (2017)

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Updated on August 6, 2017

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Orbital Elements 73P/Schwassmann-Wachmann Epoch 2017 Mar. 28.0 TT = JDT 2457840.5 T 2017 Mar. 16.84325 TT MPCW q 0.9721707 (2000.0) P Q n 0.18133770 Peri. 199.38988 -0.02250997 +0.98290746 a 3.0913202 Node 69.66228 -0.88959298 +0.06370606 e 0.6855160 Incl. 11.23695 -0.45619911 -0.17272653 P 5.44 From 719 observations 2010 Nov. 28-2017 Mar. 6, mean residual 0".6. Nongravitational parameters A1 = +0.10, A2 = -0.1433. 73P-BT/Schwassmann-Wachmann Epoch 2017 Mar. 28.0 TT = JDT 2457840.5 T 2017 Mar. 16.84173 TT MPCW q 0.9721271 (2000.0) P Q n 0.18078101 Peri. 199.37370 -0.02264182 +0.98289061 a 3.0976630 Node 69.67088 -0.88960359 +0.06362016 e 0.6861740 Incl. 11.24095 -0.45617190 -0.17285405 P 5.45 From 225 observations 2017 Feb. 10-Mar. 6, mean residual 0".6.

Finding Charts

Magnitudes Graph Component C: m1 = 9.7 + 5 log d + 16.5 log r [ ,-76] ( - 2016 Dec. 30) m1 = 11.2 + 5 log d + 6.5 log r [-76, 0] (2016 Dec. 30 - 2017 Mar. 16) m1 = 11.4 + 5 log d + 15.0 log r [ 0, ] (2017 Mar. 16 - ) Component B: m1 = 12.0 + 5 log d + 20.0 log r(t + 30) Component BT: m1 = 11.5 + 5 log d + 25.0 log r(t + 50) [-35, ] (2017 Feb. 9 - )

The orbital elements are published on M.P.E.C. 2017-E59. The charts are made with StellaNavigator Ver.8 (AstroArts). The magnitudes graphs are made with Comet for Windows.