OAA computing section circular NK 1019 P/1993 W1 (Mueller 5)

The following improved orbital elements, by S. Nakano, are from 73 observations 1992 Dec. 18 to 1995 Feb. 1. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.70 arc second. Epoch = 1994 Sept. 5.0 TT T = 1994 Sept.12.10478 +/- 0.00976 (m.e.) TT Peri. = 30.01549 +/- 0.00118 Node = 100.66249 +/- 0.00007 (2000.0) Inc. = 16.46547 +/- 0.00007 q = 4.2498155 +/- 0.0000123 AU e = 0.2605959 +/- 0.0000108 a = 5.7476219 +/- 0.0000149 AU n' = 0.07152729 +/- 0.00000028 P = 13.779 +/- 0.0000535 years The predicted orbit for the 2008 return is as follows: T = 2008 May 19.28996 TT Epoch = 2008 May 14.0 TT Peri. = 29.82781 e = 0.2612168 Node = 100.56961 (2000.0) a = 5.7047470 AU Inc. = 16.49580 n'= 0.07233517 q = 4.2145711 AU P = 13.626 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 1992/ 931215 360 0.1+ 0.5+ 940114 658 0.8+ 0.0 921218 303 (0.7- 2.5-) 931215 360 0.7+ 0.2- 940114 658 0.6+ 0.3+ 921218 303 0.4- 0.1- 931218 385 1.1- 0.5- 940114 658 0.9+ 0.1+ 921218 303 0.1- 0.9+ 931218 360 0.3- 0.0 940202 887 0.3+ 0.5- 921219 303 (2.3+ 1.2-) 931218 385 1.6- 0.5- 940202 887 1.2- 0.6- 1993/ 931218 360 1.2- 0.0 940203 360 0.6+ 0.2- 931120 675 1.6+ 1.8+ 931218 887 0.7- 0.1- 940203 360 0.5+ 0.0 931121 675 (0.2+ 2.0+) 931221 658 0.4- 0.1+ 940312 786 0.2- 1.0+ 931123 658 0.1+ 0.2+ 931221 658 0.1- 0.2- 940312 786 0.8- 0.4+ 931123 658 0.2- 0.1- 931221 658 0.1+ 0.3- 940312 786 0.3+ 0.2- 931123 658 0.4+ 0.1- 931222 372 0.2+ 1.4+ 940317 360 0.8+ 0.8- 931123 658 0.5+ 0.0 931223 385 0.3- 0.5+ 940317 360 0.2+ 1.1- 931124 372 0.0 0.4+ 931223 385 0.8- 0.2+ 940323 786 0.8- 1.1- 931125 658 0.3+ 0.3- 1994/ 940330 786 1.2+ 0.7- 931125 658 0.3+ 0.1- 940101 372 1.8- 1.7+ 940403 360 (2.2+ 1.8-) 931125 658 0.4+ 0.3- 940104 372 0.7+ 0.5- 940403 360 0.4+ 1.6- 931125 658 0.3+ 0.2- 940104 897 0.9- 0.6- 940413 360 0.3+ 0.4- 931206 372 0.1- 1.1+ 940104 372 0.6- 0.6- 940413 360 0.8+ 0.7+ 931210 691 1.1+ 0.2- 940104 897 (2.2- 1.0+) 1995/ 931210 691 1.1+ 0.3- 940104 360 1.0+ 0.1- 950128 691 0.8- 0.2- 931210 691 0.9+ 0.6- 940104 897 0.8- 0.9- 950128 691 (2.2+ 0.6+) 931210 675 (0.6+ 3.4+) 940104 887 0.1+ 0.2- 950129 691 0.8+ 0.2+ 931211 360 0.7+ 0.1- 940104 360 1.2+ 0.2- 950129 691 0.5+ 0.5+ 931211 360 0.1- 0.0 940104 887 1.4- 1.4- 950129 691 0.5- 0.3+ 931212 385 0.7- 0.3+ 940104 887 1.9- 0.2- 950131 691 0.1- 0.4+ 931212 385 0.9- 0.3+ 940105 372 0.2- 0.4+ 950131 691 0.9+ 0.2+ 931212 385 (2.1- 0.1+) 940109 360 0.1+ 0.5+ 950131 691 0.5+ 0.2+ 931212 372 (2.7- 1.4+) 940109 360 0.5+ 0.3+ 950201 691 0.8- 0.3+ 931214 372 0.3+ 1.6+ Y 940110 372 0.1+ 0.5- ( ) -------- Rejected Obs.

Director, Computing Section Syuichi Nakano 2003 Dec. 9

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