Nakano Note (Nakano wa Kangaeru noda) NK 3128 P/2014 MG4 (Spacewatch-PANSTARRS)

The following improved orbital elements, by T. Kobayashi, are from 177 observations 2014 June 20 to 2015 Oct. 10. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.48 arc second. See the previous orbits in NK 2800, NK 2967 (= HICQ 2015) and NK 3000. Epoch = 2013 May 28.0 TT T = 2013 June 13.54615 +/- 0.00550 (m.e.) TT Peri. = 298.85997 +/- 0.00133 Node = 311.86066 +/- 0.00006 (2000.0) Inc. = 9.36751 +/- 0.00002 q = 3.7142822 +/- 0.0000449 AU e = 0.2588883 +/- 0.0000100 a = 5.0117712 +/- 0.0000909 AU n' = 0.08784503 +/- 0.00000239 P = 11.220 +/- 0.0003053 years (+/- 0.11 day) The predicted orbit for the 2024 return is as follows: T = 2024 Sept. 6.80150 TT Epoch = 2024 Sept. 7.0 TT Peri. = 298.93634 e = 0.2587500 Node = 311.69219 (2000.0) a = 5.0141969 AU Inc. = 9.36500 n'= 0.08778130 q = 3.7167734 AU P = 11.228 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2014/ 140803 F51 0.8+ 0.7- 150825 J43 0.7+ 0.4+ 140620 691 0.2+ 0.1- 140804 K25 0.2- 0.2+ 150825 J43 0.6- 0.2+ 140620 691 0.1- 0.2+ 140804 K25 0.5- 0.4+ 150825 J43 0.5+ 0.2+ 140620 691 0.0 0.5+ 140805 F51 0.4+ 0.3- 150825 J43 0.2+ 0.3+ 140620 691 0.1- 0.4+ 140805 F51 0.4+ 0.2- 150826 215 0.5+ 0.1- 140620 691 0.1- 0.4+ 140805 F51 0.3+ 0.3- 150826 215 0.3+ 0.1- 140620 691 0.2- 0.5+ 140816 474 0.2+ 0.3- 150826 215 0.0 0.2- 140621 691 0.7- 0.5+ 140816 474 0.2+ 0.2- 150826 J43 1.0- 0.2+ 140621 691 0.3- 0.5+ 140816 474 0.3+ 0.3- 150826 J43 0.0 0.4- 140621 691 0.5+ 0.1- 140818 585 0.0 0.3- 150826 J43 0.2+ 0.9- 140621 691 0.7- 0.6+ 140818 585 0.0 0.3- 150826 J43 0.1- 0.2- 140621 691 1.0- 0.3+ 140818 585 0.0 0.0 150905 I93 0.3- 0.1+ 140621 691 0.5- 0.3+ 140818 585 0.2+ 0.4- 150906 I93 0.1- 0.2- 140725 F51 0.5+ 0.5- 140818 585 0.4- 0.2+ 150906 I93 0.1+ 0.2- 140725 F51 0.5+ 0.5- 140818 585 0.3- 0.6+ 150907 703 0.2+ 0.1+ 140726 G45 0.1- 0.4+ 140818 585 0.2- 0.9+ 150907 703 (2.0- 0.1+) 140726 G45 0.8- 0.7+ 140827 F51 0.2+ 0.7- 150907 703 (2.7- 0.4+) 140726 G45 0.8- 0.1+ 140827 F51 0.2+ 0.6- 150907 D29 0.4+ 0.1- 140726 G45 0.8- 0.0 140827 F51 0.3+ 0.7- 150907 D29 0.6- 0.0 140726 G45 0.1- 0.3+ 140827 F51 0.2+ 0.8- 150907 D29 0.3+ 0.3+ 140726 G45 0.0 0.4+ 140914 E07 0.3- 0.4+ 150908 D29 0.5- 0.3- 140726 568 0.5+ 0.8- 140914 E07 0.1+ 0.1+ 150908 D29 1.0- 0.1- 140726 568 0.7+ 0.8- 140915 215 (3.1- 1.9-) 150908 D29 0.8- 0.1- 140726 568 0.7+ 0.7- 140915 215 (2.9- 2.0-) 150909 D29 0.2- 0.2+ 140726 300 0.1- 1.0+ 140915 215 (2.7- 2.1-) 150909 D29 0.4- 0.4+ 140726 300 0.2+ 0.2+ 140928 A77 1.1- 0.2+ 150909 D29 0.3- 0.1+ 140726 300 0.1+ 0.6+ 140928 A77 0.4- 0.3+ 150911 G45 0.2- 0.3+ 140726 300 0.4+ 0.9+ 141002 585 0.8+ 0.3- 150911 G45 0.2- 0.1- 140726 194 0.4+ 0.3- 141002 585 1.6+ 0.9+ 150911 G45 0.1- 0.0 140726 194 0.2+ 0.2- 141018 585 0.5+ 0.5+ 150911 G45 0.4- 0.3- 140726 194 0.4+ 0.2- 141018 585 0.6+ 0.9+ 150911 G45 0.1- 0.1+ 140726 958 0.3- 0.4- 141018 585 0.8+ 1.0+ 150915 G45 0.4- 0.1- 140726 958 0.3- 0.3- 141018 215 0.3- 0.5+ 150915 G45 0.6- 0.3+ 140727 958 0.3- 0.0 141018 585 0.2+ 1.4+ 150915 G45 0.4+ 0.0 140727 W96 1.3- 0.8- 141018 215 0.4- 0.3+ 150915 G45 0.1+ 0.0 140727 W96 0.1- 0.0 141018 215 0.3- 0.0 150915 G45 0.3- 0.2+ 140727 H06 0.2- 0.7+ 141120 G96 0.6- 0.3+ 150915 G45 0.7- 0.0 140727 H06 0.5- 0.3+ 141120 G96 0.4- 0.0 150917 703 0.4- 0.4+ 140727 Q62 1.3- 0.3- 141120 G96 0.5- 1.0- 150917 703 1.0- 0.1+ 140727 Q62 0.3+ 0.6+ 141120 G96 0.2- 0.7+ 150917 703 1.5- 0.9+ 140727 Q62 0.3+ 0.2+ 141123 D95 0.7+ 0.9- 150917 703 1.2- 0.5+ 140727 Q62 0.5+ 0.7- 141123 D95 0.9+ 1.3- 150920 D95 0.2+ 0.4+ 140727 104 0.0 0.0 2015/ 150920 D95 0.2+ 0.5+ 140727 104 0.1+ 0.0 150728 F51 0.7+ 0.2- 150920 D95 0.6+ 0.1+ 140727 104 0.1+ 0.0 150728 F51 0.4+ 0.2- 150923 F51 0.5+ 0.5- 140728 W96 0.4- 0.0 150728 F51 0.7+ 0.1- 150923 F51 0.3+ 0.3- 140728 W96 0.3- 0.3- 150728 F51 0.4+ 0.1- 150923 F51 0.2+ 0.4- 140728 J01 0.0 0.5+ 150805 G45 0.4+ 0.4- 150923 F51 0.5+ 0.5- 140728 J01 0.1- 0.1- 150805 G45 0.7+ 0.4+ 151008 F51 0.1+ 0.3- 140729 J01 0.1- 0.2- 150805 G45 0.5+ 0.5+ 151008 F51 0.1- 0.3- 140730 F51 0.4+ 0.5- 150805 G45 0.8+ 0.7+ 151008 F51 0.1+ 0.3- 140730 F51 0.5+ 0.5- 150805 G45 0.0 0.4+ 151008 F51 0.2+ 0.2- 140730 F51 0.4+ 0.6- 150805 G45 0.3- 0.4+ 151009 F51 0.0 0.6- 140730 F51 0.5+ 0.7- 150814 G45 0.3+ 0.2+ 151009 F51 0.0 0.3- 140730 C77 0.6- 0.2+ 150814 G45 0.2- 0.4+ 151009 F51 0.1+ 0.4- 140730 C77 0.1- 0.0 150814 G45 0.1- 0.1+ 151009 F51 0.0 0.5- 140730 C77 0.3+ 0.1- 150814 G45 0.1+ 0.5+ 151010 G45 0.2- 0.9+ 140731 K25 0.1- 0.2+ 150814 G45 0.2+ 0.9+ 151010 G45 0.5+ 0.8- 140731 K25 0.7- 0.4+ 150814 G45 0.5+ 0.2+ 151010 G45 0.1+ 0.2+ 140803 F51 0.4+ 0.5- 150821 F51 0.6+ 0.4- 151010 G45 0.7- 0.3- 140803 F51 0.4+ 0.5- 150821 F51 0.6+ 0.4- 140803 F51 0.4+ 0.5- 150821 F51 0.5+ 0.4- ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2016 May 7

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