Nakano Note (Nakano wa Kangaeru noda) NK 4256 C/2020 V2 (ZTF)

The following improved orbital elements, by S. Nakano, are from 113 observations 2020 Apr. 18 to Nov. 24. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.30 arc second. See an orbit in CBET 4887 (same orbit). Epoch = 2023 May 16.0 TT T = 2023 May 8.24903 +/- 0.13663 (m.e.) TT Peri. = 162.41869 +/- 0.00497 Node = 212.37154 +/- 0.00043 (2000.0) Inc. = 131.61192 +/- 0.00039 q = 2.2274059 +/- 0.0001440 AU e = 1.0014894 +/- 0.0001401 1/a = -0.0006687 +/- 0.0000629 1/AU origin = -0.000123 (Q= 7) future = -0.000359 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2020/ 201111 N51 0.3- 0.2- 201118 858 0.3+ 0.1+ 200418 G96 0.2+ 0.1- 201111 N51 0.0 0.0 201119 L04 0.1- 0.2+ 200418 G96 0.0 0.2+ 201111 N51 0.1+ 0.2+ 201119 L04 0.3+ 0.4+ 200418 G96 0.1+ 0.1- 201111 N51 0.0 0.1+ 201119 L07 0.2- 0.1+ 200418 G96 0.1- 0.3- 201111 N51 0.1- 0.0 201119 L07 0.0 0.2+ 200429 G96 0.1+ 0.2+ 201111 N51 0.1- 0.1+ 201119 215 0.4+ 0.9+ 200429 G96 0.0 0.2+ 201111 N51 0.1- 0.0 201119 215 0.3+ 0.8+ 200429 G96 0.1- 0.3- 201112 N51 0.2+ 0.1+ 201119 215 0.4+ 0.1+ 200429 G96 0.1+ 0.3- 201112 H06 0.0 0.2+ 201119 G40 0.3- 0.2- 200511 G96 0.2- 0.2+ 201112 H06 0.2- 0.2- 201119 G40 0.6+ 0.4- 200511 G96 0.5- 0.0 201112 H06 0.2- 0.2- 201119 J22 0.3- 1.3- 200511 G96 0.1+ 0.2+ 201112 N51 0.2- 0.4- 201119 J04 0.2- 0.0 200511 G96 0.2+ 0.2- 201112 N51 0.2- 0.4- 201119 J04 0.1- 0.0 200518 G96 0.1- 0.2+ 201112 N51 0.1- 0.4- 201119 J04 0.1- 0.0 200518 G96 0.2- 0.1- 201113 N51 0.1+ 0.1+ 201119 J22 0.1+ 0.2+ 200518 G96 0.3- 0.1- 201113 N51 0.1+ 0.1+ 201119 J22 0.3- 0.2+ 200518 G96 0.1+ 0.1+ 201113 N51 0.2- 0.3+ 201120 691 0.1- 0.1+ 200604 G96 0.4+ 0.2- 201113 N51 0.2- 0.2+ 201120 691 0.2- 0.1+ 200604 G96 0.3+ 0.3+ 201115 204 0.1- 0.0 201120 691 0.2- 0.5+ 200604 G96 0.1- 0.1- 201115 204 0.1- 0.1+ 201120 Q11 0.0 0.1- 200613 G96 0.1+ 0.2+ 201117 L01 0.3- 0.3- 201120 Q11 0.0 0.1- 200613 G96 0.1+ 0.2- 201117 L01 0.1+ 0.3- 201122 A71 1.0+ 0.0 200613 G96 0.2- 0.1+ 201117 L06 0.4+ 0.7+ 201122 A71 (2.1+ 0.4+) 200613 G96 0.2+ 0.0 201117 L01 0.2- 0.2+ 201122 A71 0.6+ 0.5- 201102 I41 0.1+ 0.3+ 201117 L06 0.4+ 0.0 201122 Z08 0.3- 0.1+ 201102 I41 0.0 0.2+ 201117 L01 0.3- 0.0 201122 Z08 0.2- 0.0 201102 I41 0.1+ 0.1- 201117 L06 0.4+ 0.4- 201122 Z08 0.0 0.0 201102 I41 0.1+ 0.1- 201117 204 0.1- 0.1- 201123 L01 0.1- 0.1- 201107 N51 0.1- 0.0 201117 204 0.1+ 0.1+ 201123 L01 0.0 0.1- 201107 N51 0.1- 0.0 201117 675 0.7+ 0.9- 201123 L01 0.2- 0.1+ 201107 N51 0.2- 0.1+ 201117 675 1.9+ 0.5- 201123 L01 0.2- 0.0 201107 N51 0.1- 0.1+ 201117 675 1.3+ 0.5- 201123 L01 0.1- 0.1+ 201110 N51 0.1+ 0.3- 201118 K88 0.1+ 0.0 201123 L01 0.2- 0.1+ 201110 N51 0.0 0.2- 201118 K88 0.3+ 0.0 201123 Q11 0.1- 0.2- 201110 N51 0.2+ 0.3- 201118 A77 0.3+ 0.4+ 201123 Q11 0.0 0.4- 201110 N51 0.2- 0.0 201118 A77 0.0 0.4+ 201124 I89 0.1- 0.0 201111 H06 0.2- 0.2+ 201118 A77 0.1+ 0.2+ 201124 I89 0.4+ 0.1- 201111 H06 0.1- 0.0 201118 858 0.0 0.2+ 201111 N51 0.1+ 0.1- 201118 858 0.2+ 0.1+ ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2020 Nov. 26

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