OAA computing section circular NK 1117 P/LINEAR 2003W1

The following improved orbital elements, by S. Nakano, are from 92 observations 2003 Nov. 16 to 2004 Feb. 13. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.69 arc second. Epoch = 2003 Nov. 17.0 TT T = 2003 Nov. 9.46294 +/- 0.00212 (m.e.) TT Peri. = 113.28853 +/- 0.00110 Node = 256.74241 +/- 0.00046 (2000.0) Inc. = 78.07617 +/- 0.00043 q = 1.6524277 +/- 0.0000169 AU e = 0.9343797 +/- 0.0000629 a = 25.1816553 +/- 0.0009578 AU n' = 0.00779970 +/- 0.00000045 P = 126.365 +/- 0.0072092 years (+/- 2.63 day) The predicted orbit for the 2128 return is as follows: T = 2128 June 10.57253 TT Epoch = 2128 May 25.0 TT Peri. = 112.87234 e = 0.9360657 Node = 256.63321 (2000.0) a = 25.9528204 AU Inc. = 77.90281 n'= 0.00745465 q = 1.6592748 AU P = 132.214 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2003/ 031119 704 0.4+ 0.9+ 031211 704 1.1+ 0.1+ 031116 704 0.2+ 0.3- 031119 704 0.6+ 0.9+ 031212 104 0.5+ 0.0 031116 704 0.8+ 0.5+ 031119 204 0.2+ 0.2+ 031212 104 0.8+ 0.1- 031116 704 0.6+ 0.2+ 031119 204 0.4- 0.2+ 031212 104 0.5+ 0.5- 031116 704 0.8+ 0.2- 031119 204 1.0- 0.0 031212 J87 0.5+ 0.5+ 031117 673 0.6- 1.2- 031119 204 0.0 0.4+ 031212 J87 0.1+ 1.6- 031117 673 1.0- 1.6- 031119 204 0.3- 0.1- 031212 J87 0.4+ 0.2- 031117 649 0.1- 0.3- 031119 204 0.6- 0.3- 031212 J87 0.3- 0.1- 031117 649 0.4- 0.0 031119 204 0.9- 0.3- 031212 J87 0.1- 0.0 031117 673 0.4- 0.8- 031120 704 0.3+ 0.2+ 031212 J87 0.1- 0.3- 031117 649 0.5- 0.4- 031120 704 0.3+ 0.2+ 031213 349 0.4- 0.6+ 031117 670 0.1- 0.2- 031120 H41 (0.5+ 2.4+) 031213 349 1.6- 1.4+ 031117 673 0.6+ 0.5- 031120 H41 (1.9- 4.2+) 031213 349 1.3- 0.9- 031117 673 0.3+ 0.8- 031120 704 0.0 0.5+ 031214 360 0.4+ 0.3- 031117 673 0.4- 0.9- 031120 H41 0.3+ 1.3+ 031214 360 0.6+ 0.1- 031117 670 0.4- 0.5- 031120 H41 (1.8- 2.5+) 031214 J97 0.5- 0.8- 031117 938 (1.4- 2.0+) 031120 704 0.8+ 0.9+ 031216 372 1.3- 1.3+ 031117 J87 0.0 0.3+ 031121 704 0.4+ 0.7+ 031231 A32 0.0 0.6- 031117 J87 0.2+ 1.2- 031121 704 1.4+ 0.6+ 031231 A32 0.7+ 0.0 031117 938 0.3- 0.7- 031121 704 1.3+ 0.1+ 2004/ 031117 J87 0.1- 0.7- 031121 704 0.1+ 1.1+ 040104 213 1.8+ 0.5+ 031117 938 0.6- 0.1+ 031121 704 0.1+ 0.4+ 040110 130 1.2- 0.7- 031117 938 1.5- 1.0- 031123 360 0.3- 0.5- 040115 204 0.0 0.4+ 031117 938 0.4- 1.2+ 031123 360 0.4- 0.4- 040117 360 0.7- 0.1+ 031117 213 (2.2+ 1.3+) 031123 360 0.1- 0.4- 040117 360 0.2+ 0.1- 031117 213 1.3+ 1.5+ 031129 104 0.4- 0.2- 040128 213 1.2- 1.7+ 031118 938 0.2+ 0.2- 031129 104 0.2+ 0.4- 040210 360 0.0 0.2+ 031118 938 0.2- 0.5- 031129 104 0.2- 0.2- 040210 360 0.4- 0.5- 031118 938 0.2- 0.2- 031129 104 0.4+ 0.0 040210 360 0.4- 0.3- 031118 938 0.1- 0.1- 031211 704 0.3- 0.9+ 040213 360 1.6+ 0.2- 031119 704 0.5+ 0.2+ 031211 704 0.0 0.7+ 040213 360 1.2- 1.5- 031119 704 0.8- 1.6+ 031211 704 0.1+ 0.7- 040213 360 0.4+ 1.1+ 031119 704 0.7+ 1.0+ 031211 704 0.2+ 0.9+ 040213 360 1.0+ 0.2- ( ) -------- Rejected Obs.

Director, Computing Section Late edition Syuichi Nakano 2004 Feb. 20

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