Nakano Note (Nakano wa Kangaeru noda) NK 3532 359P/LONEOS

The following improved orbital elements, by S. Nakano, are from 129 observations 2007 to 2018. 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. Residuals on 2018 January observations were +10" for Right Ascension and +6" for Declination from a linked orbit in NK 3393 (= HICQ 2018). Epoch = 2017 Sept. 4.0 TT T = 2017 Aug. 20.52699 +/- 0.01472 (m.e.) TT Peri. = 200.12257 +/- 0.00308 Node = 149.79847 +/- 0.00012 (2000.0) Inc. = 10.26168 +/- 0.00004 q = 3.1396999 +/- 0.0000096 AU e = 0.3229580 +/- 0.0000021 a = 4.6373784 +/- 0.0000201 AU n' = 0.09869503 +/- 0.00000064 P = 9.986 +/- 0.0000650 years T = 2007 Sept.11.09432 TT Epoch = 2007 Sept.17.0 TT Peri. = 200.01125 e = 0.3249407 Node = 149.87321 (2000.0) a = 4.6085974 AU Inc. = 10.28185 n'= 0.09962100 q = 3.1110764 AU P = 9.894 years The predicted orbit for the 2027 return is as follows: T = 2027 Aug. 24.08817 TT Epoch = 2027 Aug. 23.0 TT Peri. = 200.23116 e = 0.3228485 Node = 149.68163 (2000.0) a = 4.6441657 AU Inc. = 10.25984 n'= 0.09847875 q = 3.1448038 AU P = 10.008 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2007/ 170823 568 0.3+ 0.2- 171223 703 0.3+ 0.1+ 070821 699 0.3+ 0.6+ 170825 A71 0.0 0.1- 171223 703 0.3- 0.1+ 070821 699 1.2- 0.1+ 170825 A71 0.3- 0.2- 2018/ 070821 699 0.4- 0.6+ 170828 H06 0.4- 0.7- 180106 T08 0.3+ 0.1- 070821 699 0.8- 0.9+ 170828 H06 0.4- 0.9- 180106 T08 0.1+ 0.0 070909 699 0.5- 0.5+ 170828 H06 0.6- 0.8- 180106 T08 0.5+ 0.1- 070909 699 0.5- 0.3+ 170831 F51 0.1+ 0.1- 180106 T08 0.9+ 0.1- 070909 699 0.0 0.1- 170831 F51 0.0 0.1- 180110 T08 0.3- 0.2+ 070912 703 1.5- 1.6+ 170831 F51 0.1+ 0.1- 180110 T08 0.2+ 0.4- 070912 703 (2.6- 0.1-) 170831 F51 0.2+ 0.0 180110 T08 0.8+ 0.2- 070912 703 1.1- 0.7+ 170831 F51 0.2+ 0.0 180110 T08 0.0 0.0 070912 703 1.0- 0.3- 170831 F51 0.1+ 0.1- 180112 T05 0.2- 0.0 070912 691 1.3- 0.2+ 170831 F51 0.1+ 0.1- 180112 T05 0.5- 0.2- 070912 691 0.7- 0.2- 170913 215 0.5- 0.0 180112 T05 0.1+ 0.1- 070912 691 0.5- 0.0 170913 215 0.6- 0.2+ 180112 T05 0.4- 0.4- 070915 704 1.2- 0.8+ 170913 215 1.3- 0.6+ 180113 H06 0.2- 0.2- 070915 704 1.2+ 1.5+ 170914 F51 0.1+ 0.1+ 180113 H06 0.1- 0.2- 070915 704 0.7+ 0.7+ 170914 F51 0.0 0.0 180113 H06 0.1+ 0.3- 070915 704 1.0+ 1.1+ 170914 F51 0.1+ 0.1+ 180113 703 0.7- 0.8- 070915 704 0.4+ 0.5+ 170914 F51 0.1+ 0.1+ 180113 703 0.3+ 0.0 070918 704 0.7- 0.8+ 170915 F51 0.0 0.1- 180113 703 0.1+ 0.1- 070918 704 0.4+ 0.4+ 170915 F51 0.0 0.1- 180113 703 1.4+ 0.1- 070918 699 0.4+ 1.2+ 170915 F51 0.0 0.1- 180114 703 0.2- 0.2+ 070918 704 0.6+ 0.3- 170915 F51 0.0 0.1- 180114 703 1.4+ 0.5+ 070918 699 0.2+ 0.5+ 170917 F51 0.0 0.1- 180114 703 0.1+ 0.8- 070918 699 1.6- 0.4- 170917 F51 0.1+ 0.1- 180114 703 0.8+ 0.7- 070918 699 0.8- 0.2+ 170917 F51 0.0 0.1- 180114 T08 0.1- 0.0 071015 G96 0.5+ 0.8+ 170917 F51 0.0 0.1- 180114 T08 0.4- 0.3- 071015 G96 0.4+ 0.8+ 170918 F51 0.4- 0.1+ 180114 T08 1.2- 0.3- 071015 G96 0.8+ 0.5+ 170918 F51 0.4- 0.2- 180114 T08 0.3- 0.9- 071015 G96 0.6+ 0.5+ 170918 F51 0.4- 0.2+ 180115 703 (3.0+ 0.9+) 071016 G96 0.6+ 0.0 170923 F51 0.1+ 0.2+ 180115 703 0.7+ 0.8+ 071016 G96 0.5+ 0.3+ 170923 F51 0.1+ 0.1+ 180115 703 1.6+ 1.2+ 071016 G96 0.9+ 0.4+ 170923 F51 0.1+ 0.1+ 180116 703 0.1- 0.2- 071016 G96 0.8+ 0.4+ 170923 F51 0.1+ 0.1+ 180116 703 0.9- 0.5+ 2017/ 171014 A71 0.7+ 0.2+ 180116 703 0.7- 0.4- 170822 F51 0.1- 0.1- 171014 A71 0.5+ 1.1+ 180116 703 0.2- 0.6+ 170822 F51 0.2- 0.3- 171021 691 0.5- 0.1- 180119 703 0.4- 0.3- 170822 F51 0.2- 0.2- 171021 691 0.9- 0.3+ 180119 703 0.0 0.8- 170822 F51 0.0 0.1- 171021 691 0.6- 0.7+ 180119 703 0.4+ 0.6- 170823 W96 1.1- 0.2- 171205 F51 0.0 0.2+ 180119 703 0.1- 0.6- 170823 W96 1.4- 0.2- 171205 F51 0.1+ 0.1+ 180120 703 0.2+ 1.3+ 170823 W96 1.4- 0.0 171205 F51 0.1+ 0.1+ 180120 703 0.1+ 0.4- 170823 568 0.3+ 0.2- 171223 703 0.1- 0.2+ 180120 703 0.9- 0.2- 170823 568 0.3+ 0.2- 171223 703 0.2- 0.1+ ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2018 Feb. 2

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