Nakano Note (Nakano wa Kangaeru noda) NK 3117 P/2013 P4 (PANSTARRS)

The following improved orbital elements, by T. Kobayashi, are from 225 observations 2013 Aug. 15 to 2015 Nov. 14. 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. See the previous orbits in NK 2601, NK 2783 and NK 2842 (= HICQ 2015). Epoch = 2014 Aug. 11.0 TT T = 2014 Aug. 12.39454 +/- 0.00246 (m.e.) TT Peri. = 113.56030 +/- 0.00039 Node = 256.61341 +/- 0.00033 (2000.0) Inc. = 4.26443 +/- 0.00001 q = 5.9670500 +/- 0.0000117 AU e = 0.5959739 +/- 0.0000110 a = 14.7689707 +/- 0.0004053 AU n' = 0.01736516 +/- 0.00000071 P = 56.758 +/- 0.0023399 years (+/- 0.85 day) The predicted orbit for the 2071 return is as follows: T = 2071 Feb. 3.19844 TT Epoch = 2071 Feb. 13.0 TT Peri. = 114.35367 e = 0.6112779 Node = 255.74732 (2000.0) a = 15.3348309 AU Inc. = 4.24840 n'= 0.01641291 q = 5.9609884 AU P = 60.051 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2013/ 140914 F51 0.0 0.1+ 141025 G45 0.6+ 0.4- 130815 F51 0.1+ 0.4+ 140914 F51 0.0 0.1- 141027 850 0.1- 0.6- 130815 F51 0.0 0.4+ 140914 F51 0.0 0.0 141027 850 0.9- 0.0 130815 F51 0.2+ 0.4+ 140914 F51 0.2- 0.0 141027 A71 1.1- 0.1+ 130815 F51 0.1+ 0.4+ 140915 215 0.4+ 0.8- 141027 A71 0.2- 0.4- 130816 568 0.1- 0.3+ 140915 215 0.8+ 0.4- 141027 A71 0.5+ 0.1- 130816 568 0.0 0.3+ 140915 215 0.2+ 0.8- 141027 A71 0.2- 0.2- 130816 568 0.0 0.4+ 140920 I41 0.2- 0.4- 141028 585 0.2- 0.6- 130817 Q62 1.3+ 0.2- 140920 I41 0.0 0.2- 141028 585 0.3- 0.0 130817 Q62 1.5+ 0.4- 140921 I41 0.0 0.4+ 141028 585 0.7- 0.4+ 130817 Q62 1.8+ 0.4- 140921 I41 0.1- 0.2- 141028 585 0.5- 0.3+ 130819 807 0.2+ 0.7- 140923 G96 0.5+ 0.3- 141028 585 1.0- 0.9+ 130819 807 0.2+ 0.7- 140923 G96 0.4+ 0.2+ 141028 585 0.8- 0.3- 130826 H21 0.3+ 0.1- 140923 G96 0.4+ 0.3- 141028 585 0.8- 0.3- 130826 H21 0.2- 0.2- 140923 G96 0.2+ 0.1+ 141028 585 1.2- 0.3+ 130826 H21 0.4- 0.3- 140925 703 1.1- 0.0 141028 585 0.3- 0.2- 130826 H21 0.1+ 0.7- 140925 703 1.2- 0.2- 141028 585 0.8+ 0.3+ 130826 H36 0.7- 0.1- 140925 703 0.2+ 0.7+ 141028 585 0.3+ 0.2- 130826 H36 0.2+ 0.3- 140925 703 (0.3+ 2.0+) 141028 585 0.7+ 0.2- 130826 H36 0.8- 1.3+ 140929 585 0.0 0.1- 141030 850 0.6+ 1.2- 130826 Q62 0.2- 0.1- 140929 585 0.1+ 0.1- 141030 850 1.2+ 0.8- 130826 Q62 0.0 0.0 140929 585 0.0 0.3- 141030 850 0.6- 0.2- 130826 Q62 0.1+ 0.0 140929 585 0.1- 0.2- 141030 850 0.1+ 0.1+ 130826 E10 0.3+ 0.0 140929 585 0.0 0.3- 141115 850 0.6+ 0.9+ 130826 E10 0.1+ 0.0 140929 585 0.4+ 1.0+ 141115 850 (2.1- 1.9+) 130826 E10 0.1+ 0.3+ 140929 585 0.7- 0.3- 2015/ 130826 E10 0.2+ 0.4+ 140929 585 0.3- 0.2- 150117 G45 0.4- 0.7- 130826 E10 0.3+ 0.3+ 141001 703 0.2+ 0.3- 150117 G45 0.3- 0.1+ 130827 Q62 0.7+ 0.0 141001 703 0.4+ 0.2- 150117 G45 0.7- 0.3+ 130827 Q62 0.3+ 0.1+ 141001 703 (0.7- 2.7-) 150117 G45 0.2- 0.3+ 130827 Q62 0.0 0.3+ 141001 I41 0.3+ 0.3- 150118 G45 0.1+ 0.2+ 130828 W96 0.3- 0.3+ 141001 I41 0.1+ 0.5- 150118 G45 0.0 0.2+ 130828 W96 0.3- 0.8- 141002 I41 0.3+ 0.1+ 150118 G45 0.2- 0.2- 130831 474 0.1+ 0.2+ 141002 I41 0.1+ 0.1+ 150118 G45 0.7- 0.4+ 130831 474 0.3- 0.7+ 141003 585 0.1- 0.2- 150118 G45 0.7- 0.1- 130831 474 0.1+ 0.4+ 141003 585 0.1- 0.1+ 150118 G45 0.3- 0.1+ 130902 G96 0.0 0.5- 141003 585 0.1- 0.2- 150119 G45 0.3+ 0.7+ 130902 G96 0.5- 0.3- 141003 585 0.2+ 0.2- 150119 G45 1.3- 0.7+ 130902 G96 0.2- 0.7- 141003 585 0.4+ 0.4- 150119 G45 0.1+ 0.6+ 130902 G96 0.6- 0.2- 141003 585 0.4+ 0.1+ 150119 G45 0.5- 0.8+ 130902 Q62 0.1+ 0.0 141003 585 0.4+ 0.2+ 150119 G45 0.4+ 0.6+ 130902 Q62 0.1+ 0.1+ 141003 585 0.7+ 0.3+ 150119 G45 0.1- 0.7+ 130902 Q62 0.0 0.2+ 141003 585 0.6+ 0.3+ 150124 G45 0.5- 1.7+ 130904 215 0.9- 1.4- 141004 691 0.1+ 0.5+ 150124 G45 0.2- 0.7+ 130904 215 0.1+ 0.3+ 141004 691 0.6- 0.1+ 150124 G45 0.3- 0.8+ 130904 215 0.2- 0.2- 141004 691 1.0- 0.4+ 150124 G45 0.1- 0.2- 130904 C10 0.8+ 0.7- 141004 691 0.2- 0.2+ 150124 G45 0.2- 0.8+ 130904 C10 0.1+ 0.4- 141004 691 0.0 0.0 150124 G45 1.2+ 0.7+ 130905 A71 0.6- 0.0 141004 691 0.3- 0.2- 150124 G45 0.9+ 0.4+ 130905 A71 0.3- 0.1- 141013 585 0.9- 0.4+ 150220 215 0.6+ 0.9+ 130909 A71 0.9+ 0.0 141013 585 0.1- 1.1+ 150220 215 0.8+ 1.3+ 130909 A71 0.1+ 0.4- 141013 585 0.0 1.1+ 150220 215 0.2+ 1.5+ 130925 E07 0.0 0.1- 141013 585 0.5- 0.4+ 150812 G45 0.7- 0.6- 130925 E07 0.3+ 0.3- 141013 585 0.3- 0.4+ 150812 G45 0.5+ 1.6+ 130927 F51 0.1- 0.8+ 141013 585 0.5+ 1.0+ 150812 G45 0.7+ 0.6- 130927 F51 0.2- 0.4+ 141013 585 0.4- 0.3+ 150812 G45 1.2+ 0.2+ 130927 F51 0.0 0.5+ 141013 585 0.1- 0.7+ 150812 G45 1.3+ 1.0- 130927 F51 0.0 0.2+ 141013 585 0.5+ 1.0+ 150812 G45 (3.6+ 1.0-) 131008 C32 1.8- 0.9+ 141013 G96 0.4+ 0.3- 151008 F51 0.1+ 0.4- 131008 C32 1.5- 0.9+ 141013 G96 0.4+ 0.2- 151008 F51 0.5- 0.3- 131008 C32 0.8- 1.1+ 141013 G96 0.3- 0.3- 151008 F51 0.2- 0.3- 131008 C32 1.0- 1.0+ 141013 G96 0.1+ 0.0 151009 F51 0.2- 0.4- 131012 G96 0.4+ 0.1+ 141019 585 0.7+ 0.7- 151009 F51 0.4- 0.4- 131012 G96 0.2- 0.1- 141019 585 0.5+ 0.7- 151009 F51 0.2- 0.5- 131012 G96 0.0 0.3- 141019 585 0.1+ 1.1- 151009 F51 0.4- 0.2- 131012 G96 0.3+ 0.8- 141019 585 0.1+ 1.2- 151102 F51 0.3- 0.3- 131130 Q62 0.5- 0.3- 141019 585 0.9+ 0.3+ 151102 F51 0.5- 0.4- 131130 Q62 0.0 0.1- 141024 I41 0.2- 0.2+ 151102 F51 0.2- 0.7- 131130 Q62 0.2+ 0.2- 141024 I41 0.4+ 0.0 151102 F51 0.5- 0.2- 131201 130 0.5+ 0.0 141025 850 0.4- 0.5+ 151106 F51 0.1- 0.1- 131201 130 1.3+ 0.0 141025 850 0.8- 0.2+ 151106 F51 0.3- 0.3- 131203 958 1.2+ 1.6- 141025 850 1.0- 0.8- 151106 F51 0.4+ 0.5- 131203 958 0.8- 1.7- 141025 I41 0.4+ 0.2+ 151106 F51 0.1- 0.4- 2014/ 141025 I41 0.4+ 0.1- 151114 G96 0.4+ 0.2+ 140703 Q62 0.6- 0.4+ 141025 G45 (2.1+ 0.3+) 151114 G96 0.1+ 0.3- 140703 Q62 0.1- 0.4+ 141025 G45 1.3+ 0.0 151114 G96 0.8+ 0.2+ 140828 850 0.3- 1.6- 141025 G45 1.4+ 0.3+ 151114 G96 0.6+ 0.3+ 140828 850 0.1- 0.8- 141025 G45 0.7- 0.1- ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2016 May 7

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