Nakano Note (Nakano wa Kangaeru noda) NK 1960 C/2009 S3 (Lemmon)

The following improved orbital elements, by S. Nakano, are from 48 observations 2009 Sept. 24 to 2010 July 14. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.45 arc second. Epoch = 2011 Dec. 25.0 TT T = 2011 Dec. 11.40537 +/- 0.07912 (m.e.) TT Peri. = 129.78603 +/- 0.01246 Node = 225.13058 +/- 0.00111 (2000.0) Inc. = 60.38435 +/- 0.00025 q = 6.4732700 +/- 0.0007870 AU e = 1.0018776 +/- 0.0002600 1/a = -0.0002900 +/- 0.0000402 1/AU origin = +0.000352 (Q= 6) future = +0.000055 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2009/ 090926 G96 0.3+ 0.4+ 090928 G96 0.1+ 0.3- 090924 G96 0.2- 0.2+ 090926 H01 0.1+ 0.3+ 091010 204 0.3+ 0.3- 090924 G96 0.1+ 0.5+ 090926 G96 0.0 0.4- 091025 G96 0.4+ 0.2+ 090924 G96 0.1- 0.2+ 090926 H01 0.1+ 0.3+ 091025 G96 0.0 0.4- 090924 G96 0.1- 0.0 090926 G96 0.0 0.2+ 2010/ 090924 G96 0.2- 0.0 090926 J95 0.4+ 0.4- 100706 850 1.1- 1.7- 090924 G96 0.0 0.2- 090927 G96 0.2- 0.4- 100706 850 0.7- 0.5- 090924 G96 0.4- 0.2+ 090927 G96 0.0 0.0 100706 850 0.6+ 0.9- 090924 G96 0.2- 0.3- 090927 G96 0.5- 0.4+ 100710 561 0.0 0.4+ 090924 J95 0.5+ 0.3- 090927 H01 0.0 0.3+ 100710 561 0.2+ 0.5+ 090925 G96 1.2- 0.9- 090927 H01 0.1+ 0.1+ 100710 561 0.6+ 0.7+ 090925 G96 0.4- 0.4- 090927 H01 0.1+ 0.2+ 100714 561 0.4- 0.4+ 090925 G96 0.3+ 0.3- 090927 H01 0.0 0.0 100714 561 1.0- 0.6+ 090925 G96 0.6+ 0.0 090927 H01 0.0 0.2+ 100714 561 0.1- 0.4+ 090925 J95 0.5+ 0.3+ 090928 G96 0.3- 0.7- 100714 561 0.7+ 0.2+ 090926 H01 0.2+ 0.2+ 090928 G96 0.6- 0.1- 100714 561 1.3+ 0.2- 090926 H01 0.1+ 0.2+ 090928 G96 0.1- 0.7+ ( ) -------- Rejected Obs.

Associate of Central Bureau for Astronomical Telegrams Syuichi Nakano 2010 Aug. 19

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