Nakano Note (Nakano wa Kangaeru noda) NK 3828 A/2019 C1

The following improved orbital elements, by S. Nakano, are from 119 observations 2019 Jan. 14 to Apr. 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. Epoch = 2020 Apr. 21.0 TT T = 2020 May 5.78273 +/- 0.18145 (m.e.) TT Peri. = 319.19636 +/- 0.02017 Node = 212.39426 +/- 0.00205 (2000.0) Inc. = 36.01704 +/- 0.00040 q = 6.5812723 +/- 0.0007248 AU e = 0.9920950 +/- 0.0002585 1/a = +0.0012011 +/- 0.0000393 1/AU origin = +0.000989 (Q= 6) future = +0.001375 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2019/ 190208 595 0.0 0.2- 190217 L29 0.2- 0.1+ 190114 T05 0.6+ 0.1+ 190208 L01 0.7- 0.6- 190217 L29 0.2- 0.3+ 190114 T05 0.1+ 0.5+ 190208 C95 0.6+ 0.3- 190218 L29 0.5- 0.2- 190114 T05 0.2- 0.3- 190208 C95 1.2- 1.1+ 190218 L29 0.0 0.2- 190114 T05 0.4- 0.1+ 190209 E23 0.4- 0.3+ 190218 585 0.3+ 0.4- 190114 T05 0.6+ 0.4- 190209 E23 0.1+ 0.5+ 190218 585 0.1- 0.3- 190114 T05 0.2- 0.1+ 190209 Q62 0.2- 0.1+ 190218 585 0.5+ 0.3+ 190114 T05 0.1- 0.3- 190209 E23 0.7- 0.7+ 190218 585 0.4+ 0.0 190114 T05 1.5- 0.8+ 190209 Q62 0.1+ 0.1- 190218 585 0.3+ 0.0 190205 T08 0.8- 0.4+ 190209 L27 1.5- 0.3+ 190218 585 0.5+ 0.7- 190205 T08 0.3+ 0.0 190209 L27 0.3- 0.0 190221 B74 0.2+ 0.2+ 190205 T08 0.3+ 0.4+ 190209 L27 0.0 0.2- 190221 B74 0.0 0.1- 190205 T08 0.3+ 0.5+ 190210 G40 0.5- 0.3+ 190221 B74 0.1- 0.3- 190206 J04 0.1+ 0.1- 190210 G40 0.2+ 0.5+ 190222 C10 0.0 0.1- 190206 J04 0.1+ 0.0 190211 G40 0.1+ 0.3+ 190222 C10 0.0 0.6+ 190206 J04 0.2+ 0.2- 190211 I52 0.1- 0.2- 190222 C10 0.2- 0.5+ 190207 J04 0.1+ 0.0 190211 I52 0.4- 0.2+ 190223 K88 0.4- 0.5+ 190207 J04 0.1+ 0.1- 190211 I52 0.3- 0.2- 190223 K88 0.2- 0.4- 190207 J04 0.7+ 0.3- 190211 I52 0.1+ 0.0 190223 181 0.0 0.2+ 190207 474 0.1+ 0.2- 190211 G40 0.4- 0.3+ 190223 181 0.1+ 0.1- 190207 474 0.5+ 0.2- 190211 G40 0.2- 0.4+ 190223 K88 0.1- 0.4- 190207 474 0.0 0.2- 190211 G40 0.2- 0.2- 190224 181 0.1- 0.1+ 190207 474 0.3- 0.0 190212 W87 0.1+ 0.3- 190224 181 0.1+ 0.0 190207 K88 0.1- 0.3+ 190212 W87 0.1+ 0.4- 190224 K87 0.1- 0.4+ 190207 J04 0.0 0.0 190212 W87 0.0 0.3- 190224 K87 0.3- 0.1- 190207 J04 0.3- 0.5- 190212 W87 0.0 0.1- 190224 K87 0.1- 0.1+ 190207 J04 0.0 0.1- 190212 E94 0.5- 0.4+ 190225 181 0.1+ 0.2- 190207 K88 0.1- 1.1+ 190212 E94 0.5- 0.7+ 190225 181 0.1+ 0.0 190208 I47 0.2- 0.3+ 190212 E94 0.6+ 0.3+ 190226 I52 0.2+ 0.2+ 190208 I47 1.0- 0.0 190212 E94 0.2+ 1.9+ 190226 I52 0.7+ 0.1- 190208 I52 0.1- 0.5- 190212 587 0.1+ 0.8+ 190226 I52 0.3+ 0.2+ 190208 I52 0.4+ 0.0 190212 587 0.9- 0.1+ 190301 Q11 0.5- 0.2- 190208 I52 0.0 0.9+ 190213 T08 0.6- 1.3+ 190301 Q11 0.7- 0.5- 190208 H36 0.2- 0.3+ 190213 T08 0.5- 0.3+ 190301 Q11 0.5- 0.7- 190208 H36 0.2- 0.4+ 190213 T08 0.3+ 0.2+ 190404 Q11 0.1- 0.1- 190208 I52 0.1- 0.3+ 190213 T08 0.2- 0.5+ 190404 Q11 0.1- 0.1- 190208 H36 0.2- 0.2+ 190215 I47 0.5- 0.1- 190404 Q11 0.1- 0.2- 190208 595 0.5- 0.3- 190215 I47 0.1+ 0.0 190427 Q11 0.1+ 0.0 190208 595 0.2- 0.5+ 190215 I47 0.6- 0.7+ 190427 Q11 0.1+ 0.1+ 190208 L01 0.2- 0.1- 190217 L29 0.0 0.1+ 190427 Q11 0.0 0.0 ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2019 May 11

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