Nakano Note (Nakano wa Kangaeru noda) NK 3042 P/2015 Q1 (Scotti)

The following improved orbital elements, by S. Nakano, are from 233 observations 2015 Aug. 18 to Dec. 22. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.55 arc second. Epoch = 2015 Sept.15.0 TT T = 2015 Sept. 9.15444 +/- 0.00038 (m.e.) TT Peri. = 198.96425 +/- 0.00022 Node = 203.30989 +/- 0.00015 (2000.0) Inc. = 22.64897 +/- 0.00008 q = 1.7516741 +/- 0.0000036 AU e = 0.4892301 +/- 0.0000081 a = 3.4294780 +/- 0.0000161 AU n' = 0.15518940 +/- 0.00000109 P = 6.351 +/- 0.0000446 years The predicted orbit for the 2022 return is as follows: T = 2022 Feb. 13.43943 TT Epoch = 2022 Mar. 2.0 TT Peri. = 199.85536 e = 0.4777021 Node = 202.84637 (2000.0) a = 3.4724797 AU Inc. = 22.39226 n'= 0.15231564 q = 1.8136689 AU P = 6.471 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2015/ 150912 C51 0.2- 0.7- 151107 B83 1.4- 0.8+ 150818 691 1.8- 0.2+ 150912 C51 0.1+ 0.2+ 151107 B83 1.9- 0.2+ 150818 691 1.7- 0.0 150916 J22 0.0 0.1- 151107 B83 0.6- 0.3- 150818 691 (2.1- 0.2-) 150916 J22 0.0 0.0 151108 B83 0.2- 0.3+ 150818 Q62 0.3+ 0.1- 150916 J22 0.9+ 0.3- 151108 157 0.4+ 0.5- 150818 Q62 0.4+ 0.4- 150919 G38 0.1+ 0.0 151108 157 0.7+ 0.2- 150818 Q62 0.6+ 0.3+ 150919 G38 0.2- 0.2- 151108 157 0.6+ 0.0 150818 Q62 0.3- 0.3+ 150921 A71 0.2+ 0.3- 151108 B83 0.4- 0.2- 150819 C10 1.1- 0.1- 150921 160 0.4- 0.2- 151108 B83 0.2- 0.1- 150819 C10 0.8+ 0.1- 150921 A71 0.4- 0.0 151108 W96 0.3+ 0.1- 150819 C10 1.9- 0.0 150921 160 0.2- 0.1- 151108 W96 0.0 0.3- 150819 958 0.2+ 0.5- 150921 160 0.1- 0.1- 151108 W96 0.2+ 0.2- 150819 958 0.5+ 0.3- 150921 A71 1.7- 0.4+ 151109 H45 0.2- 0.5- 150819 C10 1.4- 0.2- 150921 A71 1.7- 0.8+ 151109 H45 0.0 0.4- 150819 958 0.4+ 0.0 150923 J22 0.3- 0.1- 151109 H45 0.1+ 0.2- 150819 W96 0.1- 0.2+ 150923 J22 0.0 0.0 151109 H45 0.6+ 0.4- 150819 W96 1.1+ 0.5- 150923 J22 0.3- 0.2- 151110 W96 0.7- 1.0- 150819 W96 0.1- 0.8+ 150924 291 1.8- 0.1+ 151110 W96 0.6- 0.4- 150819 H01 0.4+ 0.0 150924 291 0.6- 0.1+ 151115 J01 0.7- 0.5- 150819 291 0.9+ 0.2+ 150924 291 0.8- 0.0 151115 J01 0.1- 0.2- 150819 291 0.9+ 0.2+ 150928 W96 1.8- 0.8- 151115 J01 0.7- 0.3- 150819 H01 0.6+ 0.0 150928 W96 (1.3- 2.0-) 151115 Q21 0.8+ 0.1- 150819 291 0.8+ 0.1+ 151001 C10 (3.6- 2.3-) 151115 Q21 0.6+ 0.1- 150819 H01 0.5+ 0.0 151001 C10 (4.9- 1.3-) 151115 Q21 0.4+ 0.2- 150819 H06 0.6+ 0.1+ 151007 C36 0.7- 0.3+ 151117 J22 0.8+ 0.3- 150819 H06 0.3+ 0.4+ 151007 C36 0.7- 0.8+ 151117 J22 0.7+ 0.0 150820 A77 1.8- 0.1- 151007 C36 0.1+ 0.1+ 151117 J22 0.4+ 0.2+ 150820 A77 1.4- 0.2+ 151007 C36 0.9- 0.5+ 151119 H47 0.0 0.0 150820 291 0.7+ 0.0 151008 J22 0.0 0.2+ 151119 H47 0.0 0.0 150820 291 0.9+ 0.1+ 151008 J22 0.2- 0.3+ 151120 367 0.3- 0.0 150820 291 0.9+ 0.1+ 151008 J22 0.1+ 0.0 151120 367 0.2- 0.5- 150823 A71 0.8- 0.2- 151008 F51 0.3+ 0.1+ 151120 367 0.2- 0.0 150823 A71 0.9- 0.2- 151008 F51 0.4+ 0.1+ 151121 703 1.7- 1.0+ 150824 W96 1.2+ 0.4- 151008 F51 0.4+ 0.0 151121 703 (2.2- 1.4+) 150824 W96 0.2+ 0.0 151009 F51 0.3+ 0.2+ 151121 703 1.7- 0.3+ 150826 215 0.2- 0.2- 151009 F51 0.5+ 0.1+ 151121 703 (5.8- 0.4+) 150826 215 0.2- 0.1- 151009 F51 0.4+ 0.1+ 151122 H47 0.2- 0.2- 150826 215 0.0 0.1- 151009 F51 0.5+ 0.1+ 151122 H47 0.2- 0.1- 150826 J22 0.3+ 0.4- 151010 585 1.3- 0.0 151122 H47 0.2- 0.1+ 150826 J22 0.2+ 0.4- 151010 585 1.5- 0.1- 151127 349 0.2- 0.4- 150826 J22 0.2- 0.0 151010 585 1.5- 0.2- 151127 349 0.4- 0.5- 150826 N55 0.0 0.5- 151012 C23 0.2- 0.3+ 151201 T05 0.6- 0.1- 150826 N55 0.7+ 0.2- 151012 C23 0.7- 0.0 151201 T05 0.7- 0.6+ 150826 N55 0.1- 0.1- 151012 C23 0.7- 0.5- 151201 T05 0.6- 0.4- 150827 N55 0.2- 0.5- 151015 I57 (1.2- 2.1+) 151201 T05 0.8- 0.3+ 150827 N55 1.1+ 0.2- 151015 I57 1.6- 0.5+ 151203 T05 0.6- 0.1- 150827 N55 0.8+ 0.3- 151015 I57 0.3- 0.3- 151203 T05 0.7- 0.2+ 150827 N55 0.6+ 0.3- 151017 J22 0.7- 0.2+ 151203 T05 1.0- 0.4+ 150908 160 0.0 0.0 151017 J22 0.6- 0.2- 151203 T05 0.4- 0.0 150908 160 0.1- 0.0 151017 J22 0.4- 0.1- 151205 H47 1.0+ 0.1+ 150908 160 0.1- 0.2- 151017 G45 0.6- 0.2+ 151205 H47 0.6+ 0.0 150909 J22 0.1- 0.1+ 151017 G45 0.8- 0.1+ 151205 H47 0.4+ 0.2- 150909 J22 0.3+ 0.4+ 151017 G45 0.7- 0.0 151207 D81 1.4+ 1.2- 150909 J22 0.4- 0.3+ 151017 G45 0.1+ 0.1- 151207 D81 0.4- 1.3+ 150910 585 0.0 0.4- 151020 160 0.9- 0.2- 151209 D88 1.0- 0.3+ 150910 585 0.2+ 0.4- 151020 160 0.1- 0.2+ 151209 D88 0.6- 0.3+ 150910 585 0.3+ 0.5- 151020 160 0.0 0.1+ 151209 D88 0.3+ 0.8+ 150910 585 0.3+ 0.5- 151025 J22 0.1+ 0.1- 151209 E07 0.5+ 0.5- 150910 585 0.4+ 0.4- 151025 J22 0.1- 0.1- 151209 E07 0.4+ 0.1- 150910 585 0.2+ 0.1- 151025 J22 0.1- 0.0 151210 J22 (2.3+ 2.8-) 150910 585 0.0 0.0 151031 B83 0.3+ 0.2- 151210 J22 0.0 0.2- 150910 585 0.0 0.2+ 151031 B83 0.3+ 0.5- 151210 J22 (1.2+ 2.3+) 150910 585 1.0- 0.4+ 151101 G45 0.5- 0.2- 151213 T05 0.2- 0.4+ 150910 585 0.1- 0.0 151101 G45 0.1+ 0.0 151213 T05 0.5- 0.0 150910 160 0.2- 0.0 151101 G45 0.1- 0.1+ 151213 T05 1.0- 0.3- 150910 160 0.2+ 0.0 151101 G45 1.1- 0.1- 151213 T05 0.3- 0.1+ 150910 160 0.2+ 0.4- 151102 160 0.6- 0.0 151214 G40 0.4+ 0.4- 150910 C51 0.3+ 0.8- 151102 160 0.1- 0.3+ 151214 G40 0.8+ 0.5- 150911 C51 1.5- 0.4- 151102 160 0.2+ 0.0 151216 W96 0.2- 0.8+ 150911 C51 0.4- 0.3+ 151105 J22 0.4+ 0.1+ 151216 W96 0.3- 0.1+ 150911 C51 1.2- 0.4- 151105 J22 0.5+ 0.1+ 151216 703 0.1+ 0.6+ 150911 C51 0.3- 0.2- 151105 J22 0.3+ 0.1- 151216 703 (2.2- 1.9+) 150911 C51 0.4+ 0.3+ 151106 C47 0.1- 0.2+ 151216 703 (5.2- 0.6+) 150911 C51 0.2- 0.3- 151106 C47 0.4+ 0.3+ 151217 J22 1.0+ 0.2+ 150911 C51 0.2- 0.9+ 151106 C47 0.6+ 0.1- 151217 J22 0.5+ 0.1+ 150912 C51 0.6- 0.9+ 151106 C47 0.3+ 0.5+ 151217 J22 0.6+ 0.1- 150912 160 0.0 0.3- 151106 C47 0.9+ 0.2- 151218 W96 0.7+ 0.3- 150912 160 0.2+ 0.2- 151106 C47 0.7+ 0.7- 151218 W96 0.8+ 0.7- 150912 160 0.4+ 0.0 151106 C47 0.8+ 0.2- 151218 W96 0.6+ 0.1- 150912 C51 0.3+ 0.8+ 151106 291 0.8- 0.1- 151222 900 0.4+ 0.6+ 150912 C51 0.9- 1.2+ 151106 291 0.6+ 0.1- 151222 900 0.1+ 0.3- 150912 C51 0.0 0.0 151106 291 0.3- 0.1- ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2016 Jan. 3

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