Nakano Note (Nakano wa Kangaeru noda) NK 4060 P/2019 T5 (ATLAS)
The following improved orbital elements, by S. Nakano, are from 72 observations 2019 Oct. 8 to 2020 Feb. 24. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.50 arc second. See an orbit in HICQ 2020. Epoch = 2019 July 16.0 TT T = 2019 Aug. 1.14885 +/- 0.00139 (m.e.) TT Peri. = 189.62066 +/- 0.00073 Node = 247.69684 +/- 0.00044 (2000.0) Inc. = 33.42269 +/- 0.00008 q = 1.5289096 +/- 0.0000138 AU e = 0.8092372 +/- 0.0000269 a = 8.0147162 +/- 0.0011320 AU n' = 0.04343820 +/- 0.00000920 P = 22.690 +/- 0.0048070 years (+/- 1.76 days) The predicted orbit for the 2042 return is as follows: T = 2042 Mar. 31.41863 TT Epoch = 2042 Mar. 17.0 TT Peri. = 189.68288 e = 0.8093181 Node = 247.57154 (2000.0) a = 8.0065547 AU Inc. = 33.42831 n'= 0.04350464 q = 1.5267051 AU P = 22.655 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2019/ 191014 G40 1.3- 0.1+ 191021 291 0.2+ 0.0 191008 T08 0.7+ 0.2+ 191014 850 0.9- 0.2+ 191023 850 1.0- 0.1- 191008 T08 0.1- 0.1+ 191014 850 1.0- 1.0+ 191023 850 0.9- 0.3+ 191008 T08 0.2- 0.2- 191014 850 0.6- 0.8+ 191023 850 0.7- 0.7- 191008 T08 0.2+ 0.3+ 191014 850 0.1- 0.3+ 191106 Q62 1.4+ 0.2- 191009 L01 0.7+ 0.5- 191014 850 1.0- 0.5+ 191106 Q62 1.4+ 0.2- 191009 L01 0.6+ 0.6- 191014 850 0.5+ 0.3- 191106 Q11 0.1+ 0.7- 191009 L01 0.1- 0.0 191017 L01 0.3- 0.3+ 191106 Q11 0.4+ 0.6- 191009 L01 0.8+ 0.4+ 191017 L01 0.2- 0.2+ 191106 Q11 0.2+ 0.8- 191009 L01 0.5+ 0.4- 191017 L01 0.7- 0.1- 191107 215 0.6- 0.2+ 191010 G40 0.6- 0.3- 191017 L01 0.9- 0.6- 191107 215 0.1+ 0.1- 191010 G40 0.2- 0.1- 191017 L01 0.1- 0.1+ 191107 215 0.2+ 0.2+ 191010 H06 0.4+ 0.0 191017 L01 0.2- 0.3+ 191222 474 0.0 0.1+ 191010 H06 0.6+ 0.4- 191017 L01 0.8- 0.3+ 191222 474 0.1- 0.2+ 191010 H06 0.6+ 0.7- 191019 291 0.2+ 0.1- 191222 474 0.0 0.3+ 191012 I47 0.7+ 0.4- 191019 291 0.1+ 0.2+ 191222 474 0.0 0.2+ 191012 I47 0.7+ 0.4+ 191019 291 0.2+ 0.0 191230 474 0.1+ 0.4- 191012 I47 1.2+ 0.2- 191020 691 0.1+ 0.5- 191230 474 0.4- 0.5+ 191012 Q62 0.7+ 0.0 191020 291 0.1+ 0.3+ 191230 474 0.2+ 0.7+ 191012 Q62 0.7+ 0.0 191020 691 0.5+ 0.5- 2020/ 191012 Q62 0.7+ 0.2+ 191020 291 0.2+ 0.2+ 200224 474 0.0 0.0 191013 850 0.4+ 0.2- 191020 291 0.2+ 0.1+ 200224 474 0.0 0.2- 191013 850 0.9- 0.1- 191020 691 0.2- 0.4+ 200224 474 0.0 0.2- 191013 850 1.5- 0.3+ 191021 291 0.2+ 0.0 200224 474 0.1- 0.1- 191014 G40 1.1- 0.9+ 191021 291 0.1+ 0.0 ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2020 Mar. 14