Nakano Note (Nakano wa Kangaeru noda) NK 3036 P/2019 A5 (PANSTARRS)
The following improved orbital elements, by S. Nakano, are from 56 observations 2019 Jan. 4 to 2020 Feb. 2. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.28 arc second. See the previous orbits in NK 3845 and NK 4012 (= HICQ 2020). Epoch = 2019 June 6.0 TT T = 2019 June 9.46304 +/- 0.00728 (m.e.) TT Peri. = 356.04113 +/- 0.00058 Node = 146.61935 +/- 0.00001 (2000.0) Inc. = 67.53619 +/- 0.00005 q = 6.3241579 +/- 0.0000055 AU e = 0.7079396 +/- 0.0000057 a = 21.6535984 +/- 0.0004229 AU n' = 0.00978158 +/- 0.00000029 P = 100.762 +/- 0.0029532 years (+/- 1.08 days) The predicted orbit for the 2119 return is as follows: T = 2119 June 13.00762 TT Epoch = 2119 June 2.0 TT Peri. = 355.79032 e = 0.7095414 Node = 146.49382 (2000.0) a = 21.8008043 AU Inc. = 67.49456 n'= 0.00968267 q = 6.3322316 AU P = 101.791 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2019/ 190117 I52 0.1+ 0.4+ 190404 568 0.0 0.1+ 190104 F51 0.4- 0.2+ 190117 I52 0.1+ 0.1- 190404 568 0.0 0.1+ 190104 F51 0.1+ 0.1- 190117 I52 0.5- 0.7- 190404 F51 0.0 0.0 190104 F51 0.2+ 0.0 190205 461 0.3- 0.1- 190404 F51 0.2- 0.1- 190104 F51 0.0 0.1+ 190205 461 0.4- 0.1+ 190404 F51 0.2+ 0.1- 190113 F51 0.0 0.1- 190205 461 0.0 0.1+ 190506 N50 0.1- 0.4- 190113 F51 0.0 0.1- 190212 G96 0.1+ 0.6- 190506 N50 0.0 0.1- 190113 F51 0.0 0.1+ 190212 G96 0.1+ 0.5- 191203 568 0.2+ 0.1+ 190113 F51 0.1+ 0.1- 190212 G96 0.4- 0.2- 191203 568 0.2+ 0.2+ 190114 568 0.0 0.1+ 190212 G96 0.0 0.7- 2020/ 190114 568 0.0 0.0 190228 G96 0.6- 0.1- 200202 G96 0.3- 0.2- 190114 568 0.0 0.1+ 190228 G96 0.1- 0.8- 200202 G96 0.4- 0.2- 190115 568 0.1+ 0.1+ 190228 G96 0.1- 0.6- 200202 G96 0.2- 0.0 190115 568 0.0 0.1+ 190228 G96 0.6- 0.1- 200202 G96 0.3+ 0.3+ 190115 568 0.0 0.1+ 190309 568 0.0 0.0 200202 G96 0.8- 0.2- 190116 Q62 0.1- 0.4+ 190309 568 0.0 0.1+ 200202 G96 0.9- 0.2- 190116 Q62 0.1+ 0.2- 190309 568 0.0 0.0 200202 G96 0.6- 0.8- 190117 691 0.2+ 0.4- 190328 F51 0.2+ 0.2+ 200202 G96 0.2+ 0.1- 190117 691 0.2+ 0.2+ 190328 F51 0.1+ 0.2+ 190117 691 0.1+ 0.1+ 190328 F51 0.0 0.1+ ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2020 Feb. 7