Nakano Note (Nakano wa Kangaeru noda) NK 3349 C/2015 X5 (PANSTARRS)

The following improved orbital elements, S. Nakano, are from 108 observations 2015 Dec. 6 to 2017 Feb. 25. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.45 arc second. See the previous orbits in NK 3167 and HICQ 2017. Epoch = 2018 Jan. 2.0 TT T = 2017 Dec. 31.02206 +/- 0.00564 (m.e.) TT Peri. = 27.75146 +/- 0.00056 Node = 122.31452 +/- 0.00001 (2000.0) Inc. = 124.29088 +/- 0.00003 q = 6.8017800 +/- 0.0000316 AU e = 1.0033096 +/- 0.0000078 1/a = -0.0004866 +/- 0.0000012 1/AU origin = +0.000051 (Q= 8) future = +0.000028 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2015/ 160304 F51 0.1+ 0.0 170107 G96 0.2- 0.4+ 151206 F51 0.2+ 0.1- 160304 F51 0.0 0.1+ 170109 G96 0.6+ 0.5- 151206 F51 0.0 0.0 160305 F51 0.0 0.1+ 170109 G96 0.3+ 0.7- 151206 F51 0.0 0.2+ 160305 F51 0.0 0.1+ 170109 G96 0.6+ 0.7- 151206 F51 0.2+ 0.0 160305 F51 0.0 0.2+ 170109 G96 0.4+ 0.9- 151207 W85 0.2- 0.0 160305 F51 0.0 0.2+ 170119 461 0.3+ 0.7+ 151207 W85 0.1- 0.2- 160404 F51 0.1- 0.1- 170119 130 0.4- 1.4- 151207 W85 0.2- 0.3- 160404 F51 0.1- 0.1- 170119 461 0.5+ 0.5+ 151207 W85 0.3- 0.1- 160404 F51 0.1- 0.3- 170119 130 0.4+ 0.5+ 151208 H01 0.1+ 0.1- 160404 F51 0.1- 0.2- 170119 461 0.6+ 0.1+ 151208 H01 0.0 0.2+ 161124 461 0.4- 0.0 170120 461 0.0 0.1+ 151208 H01 0.0 0.1+ 161124 461 0.3- 0.1- 170120 461 0.1- 0.5+ 151208 H01 0.1+ 0.1- 161124 461 0.1+ 0.2- 170120 461 0.1- 0.4+ 151208 H06 1.2+ 0.2- 161130 G45 0.3- 0.9+ 170120 461 0.5- 0.2+ 151208 H06 0.2+ 0.3- 161130 G45 0.3- 0.6+ 170124 461 0.2+ 0.0 151208 568 0.1- 0.3+ 161130 G45 0.5- 0.2- 170124 461 0.2- 0.2- 151208 568 0.1- 0.3+ 161130 G45 0.6+ 1.1- 170124 461 0.2+ 0.5+ 151208 568 0.1- 0.2+ 161130 G45 0.2- 1.2- 170124 461 0.0 0.8+ 151213 926 0.3+ 0.7- 161205 G45 0.6- 0.1- 170128 F51 0.2- 0.2+ 151213 926 0.5+ 0.4- 161205 G45 0.1+ 0.3- 170128 F51 0.1- 0.2+ 151213 926 0.2- 0.4- 161205 G45 0.8- 0.0 170128 F51 0.2- 0.2+ 151215 926 0.3+ 0.2- 161205 G45 0.7- 0.9- 170128 F51 0.1- 0.2+ 151215 926 0.2- 0.7- 161209 215 0.6+ 0.3+ 170128 215 0.1+ 0.6- 151218 Q62 0.6+ 0.6- 161209 215 0.4+ 0.1+ 170128 215 0.1+ 0.4- 151218 Q62 0.2+ 0.8- 161209 215 0.1+ 0.0 170128 215 0.2+ 0.2- 151218 Q62 0.1- 1.0- 161209 H06 0.5- 0.2+ 170131 G96 0.8+ 0.7- 2016/ 161209 H06 0.7- 0.4+ 170131 G96 0.4+ 0.1+ 160111 474 0.2+ 0.6- 161209 H06 1.0- 0.1+ 170131 G96 0.1+ 0.3+ 160111 474 0.1- 0.7- 161220 461 0.1+ 1.2- 170131 G96 0.2- 0.3+ 160111 474 0.1- 0.3- 161220 461 0.1+ 0.5- 170201 703 0.1+ 0.3+ 160112 F51 0.2- 0.0 161221 J43 0.3+ 0.5- 170201 703 1.2+ 0.2- 160112 F51 0.0 0.0 161221 J43 0.4+ 0.2+ 170201 703 (2.0+ 0.2-) 160202 474 0.4+ 0.3- 161221 J43 0.2+ 0.3+ 170225 G96 0.3+ 0.1- 160202 474 0.1- 0.1+ 161221 J43 0.1+ 0.1- 170225 G96 0.3+ 0.4+ 160202 474 0.2+ 0.2- 2017/ 170225 G96 0.9+ 0.6- 160202 474 0.7+ 0.7- 170107 G96 0.8+ 0.6- 170225 G96 1.4+ 1.8- 160304 F51 0.1+ 0.0 170107 G96 0.7+ 1.2- 160304 F51 0.0 0.0 170107 G96 0.1+ 0.5- ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2017 Mar. 28

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