Nakano Note (Nakano wa Kangaeru noda) NK 2722 P/2013 P5 (PANSTARRS)

The following improved orbital elements, by S. Nakano, are from 97 observations 2013 Aug. 15 to Nov. 7. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.33 arc second. Epoch = 2014 Apr. 13.0 TT T = 2014 Apr. 15.92906 +/- 0.00550 (m.e.) TT Peri. = 144.27875 +/- 0.00134 Node = 279.28864 +/- 0.00049 (2000.0) Inc. = 4.96852 +/- 0.00004 q = 1.9361926 +/- 0.0000158 AU e = 0.1153153 +/- 0.0000083 a = 2.1885679 +/- 0.0000124 AU n' = 0.30441360 +/- 0.00000259 P = 3.238 +/- 0.0000275 years The predicted orbit for the 2017 return is as follows: T = 2017 July 10.65265 TT Epoch = 2017 July 26.0 TT Peri. = 143.98339 e = 0.1156292 Node = 279.25773 (2000.0) a = 2.1887059 AU Inc. = 4.96661 n'= 0.30438480 q = 1.9356276 AU P = 3.238 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2013/ 130828 Q62 0.2+ 0.7+ 130910 568 0.0 0.2- 130815 F51 0.2+ 0.1+ 130830 568 0.0 0.1+ 130910 568 0.0 0.1- 130815 F51 0.1+ 0.1+ 130830 568 0.0 0.1+ 130911 G36 0.1+ 0.2- 130815 F51 0.1+ 0.0 130830 568 0.0 0.2+ 130911 G36 0.1- 0.3- 130815 F51 0.1+ 0.0 130830 568 0.0 0.1+ 130911 G36 0.2+ 0.2- 130816 568 0.2- 0.1- 130830 568 0.1- 0.1+ 130912 W96 0.6- 0.6- 130816 568 0.2- 0.1- 130830 Q62 0.6- 0.4+ 130912 W96 0.7- 0.4- 130816 568 0.1- 0.1- 130830 Q62 0.4- 0.6+ 130912 W96 0.9- 0.8- 130817 W87 0.0 0.5- 130830 Q62 0.7- 0.3+ 130925 G36 0.2+ 0.1- 130817 W87 0.1+ 0.2- 130830 Q62 0.0 0.5+ 130925 G36 0.3+ 0.2- 130817 W87 0.1+ 0.2- 130901 Q62 0.8+ 0.4- 130925 G36 0.6+ 0.0 130817 W87 0.1- 0.3- 130901 Q62 0.1+ 0.3- 130927 F51 0.1+ 0.0 130817 W87 0.1- 0.4- 130901 Q62 0.2- 0.7- 130927 F51 0.3+ 0.1+ 130817 W87 0.1+ 0.3- 130903 F51 0.1+ 0.1+ 130927 F51 0.1+ 0.1+ 130817 W87 0.2- 0.2- 130903 F51 0.1+ 0.0 130927 F51 0.0 0.1+ 130817 W87 0.1- 0.3- 130903 F51 0.1+ 0.0 130928 568 0.1- 0.0 130826 H21 0.2- 0.4- 130903 F51 0.1+ 0.0 130928 568 0.2- 0.1- 130826 H21 0.2- 0.1- 130903 E10 0.0 0.3- 130928 568 0.0 0.1- 130826 H21 0.1+ 0.3- 130903 E10 0.1- 0.3- 130928 568 0.0 0.1- 130827 K91 0.0 0.2- 130903 E10 0.1- 0.2- 130928 568 0.0 0.0 130827 K91 0.1- 0.4- 130903 C10 0.3+ 0.5- 130928 568 0.0 0.1- 130827 K91 0.0 0.3- 130903 C10 0.2- 0.5- 130929 568 0.2- 0.0 130827 K91 0.0 0.0 130904 C10 0.7+ 0.0 130929 568 0.1- 0.0 130827 K91 0.0 0.3- 130904 215 0.5- 1.6- 130929 568 0.1- 0.1+ 130827 K91 0.2- 0.3- 130904 215 0.7- 1.3- 131003 G36 0.8+ 0.1- 130827 K91 0.1+ 0.3- 130904 215 1.0- 0.6- 131003 G36 0.1+ 0.0 130827 K91 0.1+ 0.4- 130905 568 0.0 0.2+ 131003 G36 0.1- 0.0 130827 K91 0.1- 0.1- 130905 568 0.0 0.1+ 131007 G36 0.2+ 0.3+ 130827 K91 0.0 0.3- 130905 568 0.0 0.1+ 131007 G36 1.2+ 0.1- 130827 K91 0.2+ 0.1- 130905 568 0.0 0.2+ 131007 G36 0.5+ 0.0 130827 K91 0.3+ 0.1- 130905 568 0.0 0.2+ 131107 E10 0.2- 0.1- 130828 Q62 0.1- 0.9+ 130905 568 0.0 0.2+ 131107 E10 0.3- 0.1- 130828 Q62 0.1+ 0.8+ 130910 568 0.0 0.1- ( ) -------- Rejected Obs.

Associate of the CBAT Late edition Syuichi Nakano 2013 Nov. 20

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