Nakano Note (Nakano wa Kangaeru noda) NK 4711 C/2022 D2 (Kowalski)
The following improved orbital elements, by S. Nakano, are from 111 observations 2022 Jan. 21 to May 10. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.53 arc second. See an orbit in CBET 5105. Epoch = 2022 Apr. 11.0 TT T = 2022 Mar. 27.57718 +/- 0.00045 (m.e.) TT Peri. = 177.79195 +/- 0.00031 Node = 312.47034 +/- 0.00037 (2000.0) Inc. = 22.65445 +/- 0.00015 q = 1.5551398 +/- 0.0000123 AU e = 0.9956664 +/- 0.0000477 1/a = +0.0027866 +/- 0.0000307 1/AU origin = +0.003201 (Q= 6) future = +0.002516 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2022/ 220228 H36 1.0+ 0.6+ 220302 H36 0.5+ 0.5- 220121 G96 0.5- 0.1+ 220228 H36 0.2+ 0.2+ 220302 H36 0.1+ 0.5- 220121 G96 0.3- 0.4- 220228 H36 0.2- 0.5+ 220302 G02 0.2- 0.7- 220121 G96 0.4- 0.2- 220228 K87 0.2+ 1.0+ 220302 246 0.0 0.0 220121 G96 0.5+ 0.6- 220228 K87 0.4+ 0.3+ 220302 246 1.0- 0.1- 220214 G96 0.6+ 0.2- 220228 215 0.8+ 1.8- 220302 G02 0.1- 0.3- 220214 G96 0.7- 0.9+ 220228 215 0.2+ 0.9- 220302 G02 0.3- 0.5- 220214 G96 0.0 0.5+ 220228 K61 1.3- 0.2+ 220302 B96 0.4+ 0.5- 220214 G96 0.1+ 0.0 220228 215 0.2- 1.1- 220302 B96 0.0 0.1- 220225 G96 0.1- 0.4+ 220228 K61 0.4- 0.0 220302 B96 0.9+ 0.1+ 220225 G96 0.8- 0.1- 220228 K61 0.7- 0.1- 220302 B96 0.6+ 0.5- 220225 G96 0.7- 0.1+ 220228 K87 0.6+ 1.0+ 220303 H36 0.4- 0.0 220225 G96 0.1- 0.5+ 220228 587 0.2- 0.3- 220303 H36 0.3+ 0.0 220225 I52 0.1- 0.1- 220228 587 0.0 0.2- 220303 Q11 0.4+ 0.0 220225 I52 0.2- 0.1- 220228 587 0.5- 0.2+ 220303 Q11 0.4+ 0.1+ 220225 I52 0.3+ 0.1+ 220228 J57 0.6+ 0.4+ 220305 658 0.7- 1.2- 220225 I52 0.1+ 0.1- 220228 J57 0.1- 0.5+ 220305 658 0.5- 1.0- 220225 H06 1.0- 0.0 220301 H36 0.4+ 0.7+ 220305 658 0.4- 0.8- 220225 H06 1.3- 0.6- 220301 H36 0.0 0.1+ 220305 658 0.1- 0.4- 220225 C95 0.9- 0.4- 220301 673 0.6- 0.6- 220305 658 0.1+ 0.2- 220225 C95 (0.9- 2.0+) 220301 673 0.0 0.7- 220306 Q11 0.5+ 0.3- 220226 H36 0.5- 0.2+ 220301 246 0.6- 0.9- 220306 Q11 0.3+ 0.2- 220226 H36 0.2+ 0.2+ 220301 246 0.6+ 0.3- 220306 Q11 0.3+ 0.1- 220226 H36 0.4- 0.0 220301 246 0.2+ 0.4+ 220308 G00 0.2+ 0.9+ 220226 M10 0.1- 0.5+ 220301 246 0.3- 0.5- 220308 G00 0.7- 0.1+ 220226 M10 0.6+ 0.0 220301 246 0.1- 0.0 220308 G00 0.5- 0.1- 220226 M10 0.8+ 0.2+ 220301 A77 0.9+ 0.0 220322 A77 1.2+ 0.1- 220227 H36 0.1- 0.9+ 220301 A77 0.7+ 0.0 220322 A77 0.5+ 0.3+ 220227 H36 0.0 0.1+ 220301 A77 0.7+ 0.4+ 220322 A77 1.6+ 0.6- 220227 H36 0.0 0.1- 220301 C47 0.5- 0.5+ 220324 H06 0.0 0.3- 220227 B42 1.0+ 0.7- 220301 204 0.2+ 0.1- 220324 H06 0.5+ 0.2- 220227 B42 1.3+ 0.6- 220301 A77 1.1+ 0.2- 220324 A77 0.9+ 0.3- 220227 B42 0.6+ 0.3+ 220301 C47 0.4- 0.9+ 220324 A77 1.3+ 0.6- 220227 K51 0.2- 0.4+ 220301 204 0.2+ 0.3+ 220402 568 0.4- 0.2+ 220227 K51 0.1- 0.4+ 220301 106 0.0 0.3+ 220402 568 0.3- 0.4+ 220227 K51 0.1- 0.4+ 220301 106 0.6- 0.5- 220510 568 0.3+ 0.1- 220227 Z99 0.6- 0.7+ 220301 106 0.1- 0.1- 220510 568 0.3- 0.2- 220227 Z99 0.5+ 1.1+ 220302 H36 0.7+ 0.5+ ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2022 May 23