Nakano Note (Nakano wa Kangaeru noda) NK 4108 A/2020 F7

The following improved orbital elements, by S. Nakano, are from 98 observations 2020 Jan. 4 to Apr. 28. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.36 arc second. Epoch = 2021 Nov. 2.0 TT T = 2021 Nov. 14.01188 +/- 0.01843 (m.e.) TT Peri. = 227.97083 +/- 0.00459 Node = 321.88681 +/- 0.00032 (2000.0) Inc. = 93.95301 +/- 0.00156 q = 5.3320344 +/- 0.0003025 AU e = 0.9923140 +/- 0.0000650 1/a = +0.0014415 +/- 0.0000122 1/AU origin = +0.001518 (Q= 7) future = +0.001626 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2020/ 200322 033 0.2- 0.3- 200330 H36 0.2+ 0.4+ 200104 G96 0.1+ 0.1+ 200322 033 0.2- 0.3- 200330 246 1.0+ 0.4- 200104 G96 0.4- 0.1- 200323 F51 0.2- 0.0 200330 246 0.7- 0.1- 200104 G96 0.1+ 0.2+ 200323 F51 0.0 0.1- 200330 246 0.5- 0.2+ 200104 G96 0.3+ 0.1+ 200323 F51 0.0 0.1- 200330 246 0.3- 0.3+ 200123 G96 0.1+ 0.3- 200323 F51 0.1+ 0.1- 200330 246 0.9- 0.2+ 200123 G96 0.2+ 0.2- 200323 L01 0.0 0.3+ 200331 858 0.4+ 0.0 200123 G96 0.0 0.2+ 200323 L01 0.3+ 0.2- 200331 858 0.2+ 0.3- 200123 G96 0.2+ 0.1- 200323 246 0.6- 0.1+ 200331 673 0.4- 0.2- 200127 F52 0.0 0.1- 200323 246 1.2+ 0.5+ 200331 858 0.4+ 0.0 200127 F52 0.1+ 0.0 200323 246 0.3+ 0.5+ 200331 673 0.5+ 0.0 200127 F52 0.3- 0.2+ 200323 246 1.0- 0.1+ 200331 673 0.7- 0.1+ 200131 F51 0.1+ 0.0 200323 246 1.4- 0.1- 200404 B37 0.3- 0.1- 200131 F51 0.1+ 0.1- 200323 246 (1.7- 2.0+) 200404 B37 (0.0 4.8-) 200131 F51 0.0 0.0 200324 703 1.3+ 0.7+ 200404 B37 1.0- 0.0 200202 G96 0.0 0.2+ 200324 703 0.6- 0.4+ 200404 B37 0.5+ 0.2- 200202 G96 0.2+ 0.1- 200324 703 0.4- 0.1+ 200404 B37 0.1+ 0.4- 200202 G96 0.0 0.1+ 200324 246 0.4- 0.4- 200404 B37 0.5- 0.2- 200202 G96 0.2+ 0.3+ 200324 246 0.4+ 0.9+ 200409 J95 0.2+ 0.4+ 200219 I41 0.1- 0.0 200324 246 1.7+ 0.5+ 200409 J95 0.8- 0.1+ 200219 I41 0.4- 0.1- 200324 246 0.6+ 0.1- 200410 I93 0.2+ 0.3- 200219 I41 0.1- 0.2- 200324 246 0.7+ 0.6+ 200410 I93 0.6- 0.4+ 200220 I41 0.4- 0.1- 200324 246 0.1- 0.4- 200411 215 0.4- 0.7- 200220 I41 0.4- 0.2- 200324 B96 0.3- 0.1- 200411 215 0.1+ 0.4- 200221 G96 0.3+ 0.2- 200324 B96 0.2+ 0.2- 200411 215 0.5+ 0.1- 200221 G96 0.1+ 0.2- 200324 B96 0.3+ 0.4- 200418 F51 0.1+ 0.0 200221 G96 0.1+ 0.1- 200329 858 0.5+ 0.3+ 200418 F51 0.2- 0.0 200322 G96 0.3+ 0.1- 200329 858 0.4+ 0.1- 200418 F51 0.0 0.1+ 200322 G96 0.1+ 0.0 200329 858 0.1- 0.2- 200418 F51 0.0 0.0 200322 G96 0.3+ 0.1+ 200329 Q62 0.2- 0.4- 200428 G96 0.1+ 0.1- 200322 F51 0.1- 0.1+ 200329 Q62 0.2- 0.5- 200428 G96 0.3+ 0.3- 200322 F51 0.1+ 0.1+ 200329 Q62 0.3- 0.1- 200428 G96 0.0 0.3- 200322 G96 0.2+ 0.2- 200330 H36 0.9+ 0.6+ 200428 G96 0.0 0.1- 200322 033 0.1- 0.2- 200330 H36 0.3- 0.8+ ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2020 May 4

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