Nakano Note (Nakano wa Kangaeru noda) NK 3059 P/2015 PD229

The following improved orbital elements, by S. Nakano, are from 90 observations 2015 May 27 to Dec. 9. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.22 arc second. Epoch = 2015 Aug. 6.0 TT T = 2015 Aug. 14.58973 +/- 0.10900 (m.e.) TT Peri. = 352.41083 +/- 0.01165 Node = 342.77323 +/- 0.00027 (2000.0) Inc. = 2.02686 +/- 0.00009 q = 4.8320357 +/- 0.0000218 AU e = 0.3267677 +/- 0.0000042 a = 7.1773675 +/- 0.0000077 AU n' = 0.05125737 +/- 0.00000008 P = 19.229 +/- 0.0000310 years The predicted orbit for the 2034 return is as follows: T = 2034 Nov. 13.03589 TT Epoch = 2034 Nov. 14.0 TT Peri. = 351.63599 e = 0.3338713 Node = 342.23232 (2000.0) a = 7.3079207 AU Inc. = 2.00084 n'= 0.04988998 q = 4.8680158 AU P = 19.756 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2015/ 150821 F51 0.0 0.1+ 150914 G45 0.5+ 0.5+ 150527 W84 0.2+ 0.1- 150821 F51 0.0 0.1+ 150914 G45 0.0 0.3- 150527 W84 0.3+ 0.1- 150821 F51 0.1+ 0.0 150914 G45 0.2+ 0.0 150527 W84 0.2+ 0.1- 150821 F51 0.1+ 0.1+ 150914 G45 0.0 0.1- 150527 W84 0.2+ 0.1- 150904 Q62 0.2+ 0.3+ 150915 G45 0.2- 0.2- 150528 W84 0.3- 0.4- 150904 Q62 0.1- 0.5+ 150915 G45 0.1+ 0.0 150805 G45 0.1- 0.1- 150904 Q62 0.1- 0.3+ 150915 G45 0.1- 0.2+ 150805 G45 0.1- 0.0 150909 F51 0.0 0.0 150915 G45 0.1- 0.2+ 150805 G45 0.6- 0.1+ 150909 F51 0.0 0.0 150915 G45 0.0 0.3+ 150805 G45 0.3+ 0.3- 150911 G45 0.2- 0.1+ 150915 G45 0.2- 0.0 150815 Q60 0.2- 0.0 150911 G45 0.0 0.0 150915 G45 0.3- 0.3+ 150815 Q60 0.1- 0.5- 150911 G45 0.1+ 0.1+ 150918 G96 0.4- 0.2- 150815 Q60 0.3- 0.2- 150911 G45 0.1+ 0.0 150918 G96 0.2- 0.2- 150816 D29 0.4- 0.2+ 150911 G45 0.1- 0.1- 150918 G96 0.3- 0.1- 150816 D29 0.1+ 0.0 150911 G45 0.0 0.1- 150918 G96 0.3- 0.0 150816 D29 0.2- 0.1- 150911 G45 0.2+ 0.4- 151002 D29 0.1- 0.2- 150816 Q60 0.5- 0.1+ 150911 G45 0.0 0.3- 151002 D29 0.1- 0.4- 150816 Q60 0.1- 0.4- 150912 H45 0.1- 0.1- 151009 D29 0.4+ 0.1+ 150816 Q60 0.4+ 0.1- 150912 G45 0.1- 0.3- 151009 D29 0.5+ 0.5- 150817 958 0.7- 0.2+ 150912 H45 0.3+ 0.3- 151009 D29 0.2- 0.6+ 150817 958 0.0 0.1- 150912 H45 0.4- 0.2- 151017 D29 0.3+ 0.3+ 150817 958 0.6+ 0.2- 150912 H45 0.1- 0.6- 151017 D29 0.2+ 0.2- 150817 N42 0.0 0.0 150912 G45 0.1- 0.0 151017 D29 0.1- 0.3+ 150817 N42 0.0 0.0 150912 G45 0.0 0.1- 151126 D29 0.2- 0.1+ 150817 N42 0.0 0.1+ 150912 G45 0.1+ 0.0 151126 D29 0.4- 1.0- 150817 157 0.1- 0.1- 150912 G45 0.2+ 0.1+ 151209 G96 0.2+ 0.3+ 150817 157 0.2+ 0.5- 150912 G45 0.1+ 0.0 151209 G96 0.1- 0.0 150818 703 0.2+ 0.6+ 150912 G45 0.1+ 0.1- 151209 G96 0.2+ 0.1- 150818 703 0.1- 0.7+ 150914 G45 0.2+ 0.3- 151209 G96 0.3+ 0.1+ 150818 703 0.3- 0.0 150914 G45 0.0 0.2- 150818 703 0.2+ 0.4+ 150914 G45 0.0 0.0 ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2016 Feb. 1

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