Nakano Note (Nakano wa Kangaeru noda) NK 4049 C/2014 W5 (Lemmon-PANSTARRS)

The following improved orbital elements, by S. Nakano, are from 49 observations 2014 Oct. 26 to 2015 Jan. 22. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.50 arc second. The comet has passed 3.84 and 1.95 AU from Jupiter on 2013 Sept. 19 and 2017 Oct. 22 UT, respectively. Epoch = 2016 Feb. 22.0 TT T = 2016 Feb. 10.55242 +/- 0.00658 (m.e.) TT Peri. = 281.24692 +/- 0.00981 Node = 245.34581 +/- 0.00050 (2000.0) Inc. = 145.49646 +/- 0.00199 q = 2.3987914 +/- 0.0004101 AU e = 0.9793430 +/- 0.0000715 1/a = +0.0086114 +/- 0.0000298 1/AU origin = +0.009511 (Q= 6) future = +0.009532 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2014/ 141121 H01 0.0 0.1- 141122 291 0.4- 0.0 141026 F51 0.1- 0.0 141121 H01 0.1- 0.1- 141122 291 0.4- 0.1+ 141026 F51 0.1+ 0.2- 141121 H01 0.0 0.1- 141122 291 0.4+ 1.7+ 141026 F51 0.0 0.0 141121 568 0.1- 0.1- 141122 291 0.6+ 1.4+ 141116 G96 0.5- 0.1- 141121 568 0.1- 0.2- 141122 291 0.0 1.2+ 141116 G96 0.1+ 0.0 141121 568 0.1- 0.2- 141212 F51 0.2+ 0.3- 141116 G96 0.6+ 0.5+ 141121 291 1.0+ 1.4+ 141212 F51 0.1+ 0.0 141117 G96 0.4+ 0.0 141121 291 0.2+ 0.8+ 141212 F51 0.1- 0.3- 141117 G96 1.1+ 0.7+ 141121 291 0.1- 0.5+ 141212 F51 0.3- 0.1- 141117 G96 0.2- 0.1- 141121 Q62 0.8- 1.3+ 2015/ 141117 G96 0.4+ 0.3+ 141121 Q62 0.2- 1.1+ 150110 F51 0.4- 0.1+ 141118 F51 0.0 0.3- 141121 Q62 0.1+ 0.8+ 150110 F51 0.1- 0.0 141118 F51 0.1- 0.1+ 141121 958 (2.5+ 2.1+) 150110 F51 0.0 0.1- 141120 F51 0.1- 0.1- 141121 958 (2.1+ 2.2+) 150110 F51 0.6+ 0.4+ 141120 F51 0.1- 0.0 141121 958 1.4+ 1.1+ 150122 F51 0.1- 0.1- 141120 F51 0.1+ 0.0 141122 W96 1.1+ 0.5+ 150122 F51 0.1- 0.0 141120 F51 0.0 0.0 141122 W96 (0.1+ 2.4+) 150122 F51 0.0 0.0 141121 H01 0.0 0.1- 141122 291 0.1+ 0.3+ 150122 F51 0.2+ 0.1- ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2020 Mar. 8

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