Nakano Note (Nakano wa Kangaeru noda) NK 2463 C/2012 K8 (Lemmon)

The following improved orbital elements, by S. Nakano, are from 118 observations 2012 May 30 to 2013 Mar. 23. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.52 arc second. See the previous orbit in NK 2360. Epoch = 2014 Aug. 11.0 TT T = 2014 Aug. 19.33903 +/- 0.01801 (m.e.) TT Peri. = 75.84695 +/- 0.00341 Node = 312.80733 +/- 0.00016 (2000.0) Inc. = 106.11163 +/- 0.00038 q = 6.4633317 +/- 0.0002450 AU e = 1.0017907 +/- 0.0000581 1/a = -0.0002771 +/- 0.0000090 1/AU origin = +0.000042 (Q= 7) future = +0.000027 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2012/ 120610 J24 0.8- 0.8+ 120723 958 1.1- 0.9- 120530 G96 0.1+ 0.2- 120610 J24 0.3- 0.7+ 120723 958 (0.2+ 3.1-) 120530 G96 0.6- 0.0 120613 H06 0.4+ 0.0 120723 958 1.7+ 1.4- 120530 G96 0.3- 0.0 120613 H06 0.1+ 0.1- 120723 958 0.4- 0.7- 120530 291 0.5+ 0.3+ 120613 H06 0.2- 0.2- 120724 958 (3.1+ 0.8+) 120530 291 0.0 0.2+ 120619 C10 (2.7- 5.0-) 120724 958 0.5- 0.5+ 120530 291 0.3+ 0.4+ 120619 C10 0.7- 1.1- 120725 C32 1.1- 0.2+ 120530 G96 0.1- 0.1+ 120622 C10 1.1+ 0.2+ 120725 C32 1.2- 0.4+ 120530 G96 0.5- 0.2+ 120622 C10 0.3- 0.2+ 120725 C32 1.1- 0.3+ 120530 G96 0.3- 0.2+ 120622 D90 0.3- 0.6+ 120806 F51 0.6- 0.8- 120530 G96 0.1- 0.0 120622 D90 0.1+ 0.2+ 120806 F51 0.2+ 0.0 120531 H21 1.3+ 0.5+ 120622 D90 0.2- 0.4+ 120812 H06 0.5+ 0.0 120531 H21 0.3+ 0.0 120624 215 0.2- 0.0 120812 H06 0.6+ 0.0 120531 H21 0.4+ 0.1- 120624 215 0.0 0.1+ 120812 H06 0.8+ 0.1+ 120531 G96 0.2+ 0.8- 120624 215 0.1+ 0.1+ 120812 F51 0.1+ 0.1+ 120531 G96 0.0 0.1+ 120627 130 0.5+ 0.4- 120812 F51 0.1+ 0.2+ 120531 G96 0.1- 0.2- 120627 130 0.1- 0.1+ 120812 F51 0.2+ 0.1+ 120531 291 0.2- 0.1+ 120627 130 0.6+ 0.5+ 120812 F51 0.2+ 0.1+ 120531 291 0.4+ 0.3+ 120701 204 0.1+ 0.2- 120813 A71 0.1- 0.2- 120531 291 0.2+ 0.6+ 120701 204 0.8+ 0.1- 120813 A71 0.1- 0.6- 120601 G96 0.6- 0.1+ 120708 213 0.2- 1.4- 120813 A71 0.4- 0.7- 120601 G96 0.1+ 0.2+ 120708 213 0.3+ 0.2- 120813 A71 0.5- 0.0 120602 H21 0.1+ 0.0 120716 958 0.9- 0.1+ 120813 958 (4.1- 3.4-) 120602 H21 0.2+ 0.1+ 120716 958 (2.3- 0.5-) 120814 958 (1.0- 2.6-) 120602 H21 0.4+ 0.2+ 120716 958 (0.2- 3.0-) 120814 958 (0.8- 2.0-) 120602 H21 0.2- 0.3- 120716 958 0.7- 0.1- 120817 372 0.1+ 0.3+ 120602 G96 0.1+ 0.6- 120717 958 0.3- 0.2- 120817 372 1.3+ 0.1+ 120602 H21 0.0 0.1- 120717 958 1.2- 1.2- 120817 372 0.6+ 0.5- 120602 G96 0.0 0.4- 120717 958 0.3- 0.7- 120817 157 0.6+ 0.4- 120602 H21 0.1+ 0.1+ 120718 958 0.7- 0.5- 120817 157 0.1+ 0.1- 120602 G96 0.1+ 0.5+ 120718 958 (2.8+ 0.1-) 120826 F51 0.0 0.0 120602 G96 0.2+ 0.3- 120718 958 0.8+ 1.4+ 120826 F51 0.0 0.1+ 120602 H21 0.1- 0.1- 120719 958 1.1+ 0.4+ 120826 F51 0.2+ 0.1+ 120602 H21 0.2+ 0.1+ 120719 958 1.2- 0.0 120826 F51 0.0 0.2+ 120602 I16 0.0 0.2- 120719 958 1.5- 1.7+ 120906 958 1.4- 0.9- 120602 I16 0.6+ 0.1+ 120721 958 0.9- 0.2- 120906 958 0.6- 0.2+ 120602 I16 0.1- 0.0 120721 958 0.2- 0.7+ 121007 372 0.1- 0.2- 120602 I16 0.5- 0.2+ 120722 958 1.2- 0.1+ 121007 372 0.5+ 0.2- 120602 I16 1.0+ 0.1- 120722 C10 0.3- 0.1- 121007 372 0.4- 0.1+ 120602 D90 1.0+ 0.2- 120722 C10 0.2+ 0.4+ 2013/ 120602 D90 0.3+ 0.4+ 120722 958 0.5+ 0.3+ 130323 H06 0.1+ 0.7+ 120602 D90 0.6+ 0.2+ 120722 C10 0.4- 0.1- 130323 H06 0.1+ 0.1+ 120610 J24 0.8- 0.3+ 120723 958 0.2+ 0.8- 130323 H06 0.0 0.2- ( ) -------- Rejected Obs.

Associate of Central Bureau for Astronomical Telegrams Syuichi Nakano 2013 Apr. 4

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