Nakano Note (Nakano wa Kangaeru noda) NK 4768 C/2012 V1 (PANSTARRS)

The following improved orbital elements, by S. Nakano, are from 89 observations 2012 Sept. 2 to 2013 Jan. 7. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.40 arc second. The comet has passed 1.00 AU from Jupiter on 2012 June 24 UT. See an orbit in HICQ 2013. Epoch = 2013 July 7.0 TT T = 2013 July 21.51536 +/- 0.00629 (m.e.) TT Peri. = 123.32564 +/- 0.00326 Node = 85.37747 +/- 0.00073 (2000.0) Inc. = 157.84228 +/- 0.00023 q = 2.0897052 +/- 0.0000970 AU e = 0.9997898 +/- 0.0000547 1/a = +0.0001006 +/- 0.0000262 1/AU origin = -0.000011 (Q= 6) future = +0.000793 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2012/ 121106 568 0.1- 0.2+ 121121 215 0.1- 0.2- 120902 F51 0.2+ 0.1- 121107 H06 0.6+ 0.8+ 121121 215 0.1- 0.4+ 120902 F51 0.2- 0.3- 121107 H06 0.4+ 0.3+ 121124 900 0.0 0.1- 121010 F51 0.1+ 0.2+ 121107 H06 0.3+ 0.2- 121124 900 (3.0+ 0.7+) 121010 F51 0.2- 0.2+ 121107 H06 0.5+ 0.2- 121204 703 0.4+ 1.1- 121010 F51 0.1- 0.1- 121107 H06 0.0 0.3+ 121204 703 1.5- 0.2- 121016 F51 0.5+ 0.0 121107 H06 0.4- 0.2+ 121204 703 0.0 0.3+ 121016 F51 0.3+ 0.0 121111 372 0.6+ 0.3+ 121204 703 0.7+ 1.1+ 121103 F51 0.2- 0.0 121111 372 0.9+ 0.1+ 121206 372 (2.1- 3.2-) 121103 F51 0.2- 0.3- 121112 H06 0.1- 0.1- 121206 372 (1.8- 3.0-) 121104 291 0.2+ 0.5+ 121112 H06 0.1+ 0.2- 121208 704 0.4+ 0.2- 121104 291 0.2- 0.2- 121112 H06 0.4+ 0.3- 121208 704 0.2- 0.9- 121104 291 0.0 0.3+ 121112 372 0.2- 0.4- 121208 704 0.0 0.8- 121104 H36 1.2+ 0.2+ 121112 372 0.1- 0.0 121208 704 0.1+ 0.3- 121104 H36 0.3+ 0.1+ 121112 C32 0.6+ 0.1- 121209 J38 (1.9+ 2.5+) 121105 H21 0.2- 0.1+ 121112 C32 0.3+ 0.4- 121209 J38 (3.8+ 1.2+) 121105 H21 0.1+ 0.0 121112 C32 0.0 0.1- 121211 511 0.5+ 0.1+ 121105 H21 0.1+ 0.1- 121112 C32 0.4+ 0.3+ 121211 511 0.1- 0.9+ 121105 H21 0.1+ 0.1- 121112 C32 0.5+ 0.1- 121229 J38 1.0- 1.9+ 121105 H21 0.1+ 0.2- 121112 C32 0.1- 0.4+ 121229 J38 0.7- 0.3- 121105 H21 0.0 0.2- 121113 C10 (1.1+ 2.5+) 121229 J38 0.0 0.1- 121105 F65 0.5- 0.0 121113 C10 0.0 0.1- 2013/ 121105 F65 (3.1+ 0.8+) 121113 C10 0.1+ 0.5+ 130107 H45 0.3- 0.2+ 121105 204 0.0 0.2- 121113 C10 0.3+ 0.5- 130107 H45 0.2- 0.9- 121105 204 0.1+ 0.3- 121115 372 0.0 0.0 130107 H45 0.7+ 0.1- 121105 204 0.0 0.2+ 121115 372 0.0 0.4- 130107 511 (0.6+ 2.0+) 121105 J95 0.5+ 0.2- 121115 372 0.6+ 0.1+ 130107 511 0.7+ 0.0 121105 J95 0.3+ 0.0 121117 372 0.5+ 0.1- 130702 C10 (3.3- 8.9-) 121105 J95 0.1+ 0.6- 121117 372 0.2+ 0.0 130702 C10 (1.4+ 4.5-) 121106 203 0.2+ 0.1- 121119 372 0.1- 0.1- 130716 461 (0.6+ 9.9+) 121106 203 0.2+ 0.5- 121119 372 0.0 0.2- 130716 461 (0.1- 9.3+) 121106 291 0.3+ 0.2+ 121120 372 0.3+ 0.0 130716 461 (0.3- 9.8+) 121106 291 0.0 0.3+ 121120 372 0.4+ 0.1- 130813 B50 (5.1+ 5.0-) 121106 291 0.8- 0.2+ 121120 372 0.7- 0.0 130813 B50 (6.1+ 3.0-) 121106 568 0.1- 0.2+ 121120 372 0.4- 0.1- 121106 568 0.1- 0.1+ 121121 215 0.2- 0.6- ( ) -------- Rejected Obs.

Associate of the CBAT Syuichi Nakano 2022 July 9

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