Nakano Note (Nakano wa Kangaeru noda) NK 3078 P/2015 V4 (PANSTARRS)

The following improved orbital elements, by S. Nakano, are from 49 observations 2015 Nov. 3 to 2016 Feb. 10. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.31 arc second. Epoch = 2016 Sept. 9.0 TT T = 2016 Aug. 28.19125 +/- 0.19770 (m.e.) TT Peri. = 306.92645 +/- 0.02220 Node = 179.89576 +/- 0.00128 (2000.0) Inc. = 60.75158 +/- 0.00025 q = 5.4596191 +/- 0.0003859 AU e = 0.7055424 +/- 0.0001066 a = 18.5412717 +/- 0.0003690 AU n' = 0.01234511 +/- 0.00000037 P = 79.838 +/- 0.0023833 years (+/- 0.87 day) The predicted orbit for the 2095 return is as follows: T = 2095 Nov. 2.14662 TT Epoch = 2095 Nov. 14.0 TT Peri. = 306.72103 e = 0.7079995 Node = 179.80213 (2000.0) a = 18.6991362 AU Inc. = 60.71798 n'= 0.01218910 q = 5.4601579 AU P = 80.860 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2015/ 151107 Q62 1.0- 0.4+ 151231 Q62 0.5- 0.2- 151103 F51 0.6+ 0.1+ 151107 Q62 0.7- 0.0 151231 Q62 0.1- 0.5- 151103 F51 0.1- 0.1- 151107 Q62 0.7- 0.3- 2016/ 151103 F51 0.0 0.0 151108 W96 0.0 0.2- 160104 474 0.1+ 0.2+ 151105 K91 0.1- 0.2- 151108 W96 0.4- 0.2+ 160104 474 0.2+ 0.2+ 151105 K91 0.3+ 0.1- 151108 W96 0.5+ 0.4+ 160104 474 0.2+ 0.1- 151105 K91 0.0 0.0 151108 W96 0.3- 0.4- 160104 474 0.0 0.0 151105 W85 0.1+ 0.1- 151113 W96 0.2- 0.0 160112 E07 0.0 0.1- 151105 W85 0.2+ 0.1- 151113 W96 0.4- 0.0 160112 E07 0.1+ 0.1- 151105 W85 0.1- 0.2- 151113 W96 0.2+ 0.8- 160202 474 0.0 0.0 151105 W85 0.0 0.4- 151210 474 0.5+ 0.4+ 160202 474 0.1- 0.0 151105 807 0.2- 0.1- 151210 474 0.1- 0.0 160202 474 0.1+ 0.0 151105 807 0.0 0.3+ 151210 474 0.4- 0.0 160202 474 0.1+ 0.1+ 151105 807 0.1+ 0.7- 151215 W96 0.3+ 1.1+ 160209 E07 0.0 0.2- 151106 568 0.1- 0.1+ 151215 W96 0.1- 0.3- 160209 E07 0.1- 0.1+ 151106 568 0.1- 0.1+ 151215 W96 0.1- 0.1- 160210 E07 0.2+ 0.2+ 151106 568 0.0 0.0 151231 Q62 0.1- 0.8- 160210 E07 0.0 0.3+ ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2016 Feb. 29

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