Nakano Note (Nakano wa Kangaeru noda) NK 4065 P/2019 X1 (Pruyne)
The following improved orbital elements, by S. Nakano, are from 97 observations 2019 Nov. 29 to 2020 Feb. 27. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.41 arc second. See an orbit in HICQ 2020. Epoch = 2019 July 16.0 TT T = 2019 July 21.50691 +/- 0.24080 (m.e.) TT Peri. = 36.81018 +/- 0.03224 Node = 43.73256 +/- 0.00250 (2000.0) Inc. = 10.24715 +/- 0.00038 q = 4.3051682 +/- 0.0001690 AU e = 0.3027687 +/- 0.0000445 a = 6.1746625 +/- 0.0004623 AU n' = 0.06423685 +/- 0.00000721 P = 15.343 +/- 0.0017232 years (+/- 0.63 day) The predicted orbit for the 2034 return is as follows: T = 2034 Dec. 12.51655 TT Epoch = 2034 Dec. 24.0 TT Peri. = 36.94986 e = 0.3027909 Node = 43.61224 (2000.0) a = 6.2045703 AU Inc. = 10.23438 n'= 0.06377295 q = 4.3258830 AU P = 15.455 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2019/ 191204 246 1.6- 0.1- 191207 I52 0.2+ 0.2- 191129 F51 0.3+ 0.0 191204 246 (2.0- 0.5+) 191207 I52 0.1+ 0.1- 191202 G96 0.3- 0.0 191205 K88 0.4+ 0.1+ 191207 Q11 0.7+ 0.3+ 191202 G96 0.1- 0.1- 191205 K88 0.0 0.0 191207 Q11 0.5+ 0.3+ 191202 G96 0.3- 0.1- 191205 K87 0.9- 0.5- 191207 Q11 0.7+ 0.4+ 191202 G96 0.4- 0.1- 191205 K87 0.6- 0.5- 191210 J95 0.4- 0.5- 191203 I52 0.4- 0.4- 191205 K87 0.9- 0.5- 191210 J95 0.1- 0.2+ 191203 I52 0.4- 0.2+ 191205 K87 0.5- 0.4- 191218 215 0.1+ 0.1+ 191203 I52 0.2- 0.0 191205 K87 0.7- 0.0 191218 215 0.2+ 0.1+ 191203 I52 0.4- 0.1+ 191205 K87 0.3- 0.2+ 191218 215 0.4+ 0.1+ 191203 F51 0.3+ 0.0 191205 K87 0.9- 0.2- 191220 H06 0.5+ 0.1+ 191203 F51 0.3+ 0.0 191205 K63 0.4+ 0.4- 191220 H06 0.1- 0.3+ 191203 L01 0.1+ 0.2+ 191205 K63 0.2+ 0.1- 191220 H06 0.2- 0.3+ 191203 L01 0.2- 0.6- 191205 K63 0.1- 0.4+ 191231 Q11 0.3+ 0.1- 191203 L01 0.3- 0.2- 191205 850 (0.5- 2.1-) 191231 Q11 0.2+ 0.2- 191203 L01 0.5- 0.1- 191205 850 0.9- 0.3- 191231 Q11 0.3+ 0.1- 191203 L01 0.1+ 0.1+ 191205 850 0.2+ 1.1- 2020/ 191203 L01 0.3- 0.3+ 191205 850 0.1+ 0.1- 200104 H06 0.3- 0.0 191204 K88 0.1- 0.2+ 191205 T12 0.2+ 0.0 200104 H06 0.7- 0.1+ 191204 K88 0.1- 0.3+ 191205 T12 0.2+ 0.0 200106 118 0.3+ 0.2- 191204 K88 0.1- 0.4+ 191205 T12 0.2+ 0.0 200106 118 0.2+ 0.2- 191204 K61 1.0- 0.1- 191205 K51 0.1+ 0.1- 200106 118 0.3+ 0.0 191204 K61 0.2+ 0.4- 191205 K51 0.1+ 0.1+ 200213 B74 0.1- 0.0 191204 K61 0.5- 0.7- 191205 K51 0.1- 0.2+ 200213 B74 0.3- 0.4- 191204 C10 0.7- 0.2- 191205 204 0.2- 0.7+ 200213 B74 0.3- 0.5- 191204 C10 0.3- 0.3+ 191205 246 0.6- 0.1+ 200218 Q11 0.1+ 0.2- 191204 C10 0.8- 0.2- 191205 246 0.0 0.9+ 200218 Q11 0.2+ 0.1- 191204 587 0.1- 0.2+ 191205 246 0.7- 0.7+ 200218 Q11 0.1+ 0.1- 191204 587 0.0 0.2+ 191205 204 0.1+ 0.0 200224 215 0.2- 0.5+ 191204 587 0.3- 0.1+ 191206 204 0.0 0.1+ 200224 215 0.2- 0.4+ 191204 595 0.3- 0.2- 191206 204 0.3- 0.1- 200224 215 1.2- 0.5+ 191204 595 0.6- 0.0 191206 B49 0.8+ 0.1- 200227 Q11 0.9+ 0.2- 191204 595 0.1- 0.9- 191206 B49 0.2+ 1.0+ 200227 Q11 0.8+ 0.0 191204 246 1.2- 0.0 191207 I52 0.5- 0.5+ ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2020 Mar. 15