Nakano Note (Nakano wa Kangaeru noda) NK 4852 P/PANSTARRS (2022 U5 = 2013 W3)
The following improved orbital elements, by S. Nakano, are from 75 observations 2013 to 2022. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.23 arc second. See a linked orbit in CBET 5197 (same orbit). Epoch = 2022 Aug. 9.0 TT T = 2022 July 25.90881 +/- 0.00137 (m.e.) TT Peri. = 19.97038 +/- 0.00028 Node = 54.59015 +/- 0.00003 (2000.0) Inc. = 19.81307 +/- 0.00001 q = 2.6856280 +/- 0.0000015 AU e = 0.3612116 +/- 0.0000004 a = 4.2042528 +/- 0.0000036 AU n' = 0.11433280 +/- 0.00000015 P = 8.621 +/- 0.0000111 years T = 2013 Nov. 5.99762 TT Epoch = 2013 Nov. 4.0 TT Peri. = 19.15696 e = 0.3520967 Node = 55.34006 (2000.0) a = 4.2633165 AU Inc. = 19.84136 n'= 0.11196511 q = 2.7622170 AU P = 8.803 years The predicted orbit for the 2031 return is as follows: T = 2031 Mar. 21.34137 TT Epoch = 2031 Apr. 4.0 TT Peri. = 20.07773 e = 0.3599924 Node = 54.54690 (2000.0) a = 4.2213358 AU Inc. = 19.78583 n'= 0.11363948 q = 2.7016869 AU P = 8.673 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2013/ 210930 F52 0.1- 0.2+ 221030 I52 0.2- 0.1- 131125 F51 0.1+ 0.1+ 210930 F52 0.2- 0.3+ 221030 I52 0.2- 0.3+ 131127 F51 0.1- 0.0 210930 F52 0.1- 0.0 221030 I52 0.8- 0.1+ 131127 F51 0.0 0.1- 211026 F52 0.0 0.2- 221030 T14 0.2+ 0.0 131127 F51 0.0 0.1+ 211030 F52 0.2+ 0.1- 221030 T14 0.3+ 0.0 131127 F51 0.3- 0.1+ 211030 F52 0.0 0.0 221030 T14 0.3+ 0.0 131127 F51 0.2+ 0.1- 211030 F52 0.1+ 0.3+ 221031 T14 0.3+ 0.0 131127 F51 0.3- 0.0 211106 F51 0.2+ 0.5+ 221031 T14 0.3+ 0.1- 131127 F51 0.1- 0.1- 211106 F51 0.5+ 0.2+ 221031 T14 0.3+ 0.0 131205 F51 0.2+ 0.0 211106 F51 0.1+ 0.1+ 221031 T14 0.3+ 0.0 131205 F51 0.2- 0.2+ 211106 F51 0.0 0.1+ 221031 T14 0.3+ 0.0 131207 F51 0.3+ 0.1+ 211107 F51 0.1+ 0.1- 221102 W62 0.0 0.3+ 2014/ 211107 F51 0.1+ 0.3+ 221102 W62 0.0 0.2+ 140106 F51 0.2- 0.2- 211123 F51 0.0 0.0 221102 W62 0.0 0.3+ 140106 F51 0.4+ 0.2- 211123 F51 0.3+ 0.1+ 221102 H06 0.1+ 0.0 2021/ 211123 F51 0.1+ 0.1+ 221102 H06 0.1+ 0.2+ 210805 F51 0.3- 0.2- 2022/ 221104 W62 0.4+ 0.1+ 210805 F51 0.1- 0.2- 220916 F52 0.1- 0.3- 221104 W62 0.4+ 0.2- 210805 F51 0.1- 0.3- 221020 G96 0.3- 0.3- 221104 W62 0.5+ 0.3- 210805 F51 0.0 0.2- 221020 G96 0.1- 0.8+ 221123 W62 0.6+ 0.2+ 210908 F52 0.1- 0.2- 221020 G96 0.5- 0.1- 221123 W62 0.0 0.2+ 210908 F52 0.1- 0.1- 221020 G96 0.5- 0.1- 221123 W62 0.1+ 0.2+ 210908 F52 0.3- 0.4- 221028 F52 0.0 0.1- 221123 T14 0.2+ 0.1- 210925 F52 0.1- 0.1- 221028 F52 0.4- 0.1- 221123 T14 0.2+ 0.1- 210926 W84 0.1- 0.2- 221028 F52 0.1+ 0.0 221123 T14 0.2+ 0.1- 210926 W84 0.1- 0.2- 221028 F52 0.3+ 0.1+ 210930 F52 0.2- 0.1+ 221030 I52 0.4- 0.4+ ( ) -------- Rejected Obs.
Associate of the CBAT Syuichi Nakano 2022 Nov. 28