Nakano Note (Nakano wa Kangaeru noda) NK 4465 C/2021 C5 (PANSTARRS)
The following improved orbital elements, by S. Nakano, are from 67 observations 2020 Dec. 22 to 2021 Apr. 14. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.35 arc second. See an orbit in CBET 4941. Epoch = 2023 Feb. 25.0 TT T = 2023 Feb. 11.06864 +/- 0.05735 (m.e.) TT Peri. = 270.92273 +/- 0.00096 Node = 323.68304 +/- 0.00031 (2000.0) Inc. = 50.77884 +/- 0.00336 q = 3.2419056 +/- 0.0001768 AU e = 0.9986383 +/- 0.0000866 1/a = +0.0004200 +/- 0.0000267 1/AU origin = +0.000030 (Q= 6) future = +0.000561 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2020/ 210217 291 0.3+ 0.4+ 210305 568 0.0 0.0 201222 F51 0.1+ 0.2- 210217 291 0.3- 1.0- 210305 568 0.0 0.1- 201222 F51 0.3+ 0.4- 210217 291 0.4+ 0.1+ 210305 568 0.0 0.0 201222 F51 0.2- 0.1+ 210219 G96 1.3+ 0.3+ 210305 568 0.0 0.1- 201222 F51 0.1+ 0.1- 210219 G96 0.2+ 0.4+ 210305 568 0.1- 0.1- 2021/ 210219 G96 0.4+ 0.2- 210305 A71 0.8- 0.6- 210118 G96 0.6- 1.5+ 210219 G96 0.9+ 0.3+ 210305 A71 0.2- 0.2+ 210118 G96 0.4- 0.1- 210219 H06 0.1- 0.2+ 210306 858 0.4+ 0.3+ 210118 G96 0.1+ 0.2+ 210219 H06 0.0 0.2- 210306 858 0.1- 0.0 210123 F51 0.1- 0.1- 210222 N51 0.5- 0.6- 210306 L01 0.8- 0.1- 210123 F51 0.1+ 0.1- 210222 N51 1.7- 0.4+ 210306 L01 0.3+ 0.6+ 210206 F52 0.1- 0.3- 210303 691 0.1- 0.8+ 210306 L01 0.4+ 0.3+ 210206 F52 0.2- 0.2- 210303 691 0.1+ 0.2+ 210306 L01 0.4+ 0.3+ 210212 F51 0.0 0.2- 210303 691 0.0 0.0 210315 F52 0.0 0.1- 210212 F51 0.1- 0.1- 210304 F51 0.1- 0.0 210315 F52 0.0 0.2- 210212 F51 0.1+ 0.1- 210304 F51 0.4+ 0.0 210315 F52 0.2- 0.4- 210212 F51 0.0 0.1- 210304 F51 0.0 0.1+ 210406 X03 0.1+ 0.2- 210215 807 0.0 0.2- 210304 F51 0.2- 0.2- 210406 X03 0.1+ 0.0 210215 807 0.2+ 0.3- 210304 F51 0.2- 0.0 210406 X03 0.1+ 0.0 210215 807 0.3+ 0.4- 210305 568 0.0 0.1- 210414 F51 0.0 0.0 210215 I52 0.4- 0.2+ 210305 568 0.0 0.1- 210414 F51 0.1- 0.1+ 210215 I52 0.9+ 0.1+ 210305 568 0.2- 0.1- 210414 F51 0.0 0.1+ 210215 I52 0.3- 0.4+ 210305 568 0.1- 0.1- 210414 F51 0.1+ 0.1- ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2021 May 14