OAA computing section circular NK 1370 173P/Mueller 5
The following improved orbital elements, by S. Nakano, are from 153 observations 1992 to 2006. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.75 arc second. See previous orbits in NK 1019, NK 1282 (= HICQ 2006) and YC 2490. Epoch = 2008 May 14.0 TT T = 2008 May 18.50768 +/- 0.00253 (m.e.) TT Peri. = 29.83367 +/- 0.00023 Node = 100.56969 +/- 0.00007 (2000.0) Inc. = 16.49587 +/- 0.00002 q = 4.2144844 +/- 0.0000030 AU e = 0.2611474 +/- 0.0000005 a = 5.7040936 +/- 0.0000010 AU n' = 0.07234760 +/- 0.00000002 P = 13.623 +/- 0.0000036 years T = 1994 Sept.12.15068 TT Epoch = 1994 Sept. 5.0 TT Peri. = 30.02102 e = 0.2605266 Node = 100.66249 (2000.0) a = 5.7469856 AU Inc. = 16.46554 n'= 0.07153917 q = 4.2497429 AU P = 13.777 years The predicted orbit for the 2021 return is as follows: T = 2021 Dec. 16.73073 TT Epoch = 2021 Dec. 12.0 TT Peri. = 29.18138 e = 0.2610026 Node = 100.40039 (2000.0) a = 5.7064386 AU Inc. = 16.49266 n'= 0.07230301 q = 4.2170430 AU P = 13.632 years The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 1992/ 940114 658 1.0+ 0.0 051027 704 0.3+ 0.0 921218 303 0.3+ 1.7- 940114 658 0.9+ 0.3+ 051027 704 0.3+ 0.4- 921218 303 0.6+ 0.7+ 940114 658 1.2+ 0.1+ 051027 704 0.1- 0.7+ 921218 303 0.9+ 1.7+ 940202 887 1.0+ 0.5- 051027 704 0.3+ 0.7- 921219 303 (3.4+ 0.4-) 940202 887 0.6- 0.6- 051027 703 1.5- 0.3- 1993/ 940203 360 1.3+ 0.2- 051027 703 0.7- 0.6- 931120 675 0.9+ 1.9+ 940203 360 1.1+ 0.0 051027 703 1.7- 0.3- 931121 675 0.5- 2.1+ 940312 786 0.8+ 1.1+ 051027 703 0.5- 0.8- 931123 658 0.6- 0.3+ 940312 786 0.2+ 0.4+ 051027 A79 (0.5- 2.9-) 931123 658 0.9- 0.0 940312 786 1.2+ 0.1- 051027 A79 (4.2- 3.5+) 931123 658 0.4- 0.0 940317 360 1.8+ 0.7- 051029 A79 0.4+ 0.9+ 931123 658 0.2- 0.1+ 940317 360 1.2+ 1.0- 051029 A79 0.6- 0.1- 931124 372 0.7- 0.5+ 940323 786 0.2+ 1.0- 051029 A79 0.4+ 0.9- 931125 658 0.4- 0.2- 940330 786 (2.2+ 0.7-) 051030 699 0.1- 0.2+ 931125 658 0.4- 0.0 940403 360 (3.2+ 1.8-) 051030 699 (2.5- 0.4+) 931125 658 0.3- 0.2- 940403 360 1.4+ 1.5- 051030 699 0.1+ 0.3- 931125 658 0.3- 0.1- 940413 360 1.3+ 0.4- 051030 699 0.1- 0.2- 931206 372 0.6- 1.2+ 940413 360 1.8+ 0.7+ 051101 703 1.3- 0.3+ 931210 691 0.6+ 0.1- 1995/ 051101 703 (2.1- 0.5-) 931210 691 0.6+ 0.3- 950128 691 0.8- 0.7- 051101 703 1.3- 0.3- 931210 691 0.5+ 0.6- 950128 691 (2.2+ 0.2+) 051101 703 1.1- 0.4- 931210 675 (0.2+ 3.5+) 950129 691 0.7+ 0.3- 051128 644 0.6+ 0.2- 931211 360 0.3+ 0.1- 950129 691 0.5+ 0.1+ 051128 644 0.2+ 0.4- 931211 360 0.5- 0.0 950129 691 0.5- 0.1- 051128 644 0.2+ 0.3- 931212 385 1.0- 0.3+ 950131 691 0.1- 0.1- 051130 703 1.1- 0.5- 931212 385 1.3- 0.4+ 950131 691 0.9+ 0.3- 051130 703 0.4- 0.3+ 931212 385 (2.5- 0.2+) 950131 691 0.5+ 0.3- 051130 703 0.7- 0.6+ 931212 372 (3.1- 1.5+) 950201 691 0.7- 0.2- 051130 703 0.4- 0.7- 931214 372 0.0 1.6+ Y 2005/ 051130 D83 0.4+ 1.2- 931215 360 0.3- 0.6+ 051004 A79 0.4- 0.0 051130 D83 1.2+ 1.2+ 931215 360 0.3+ 0.2- 051004 A79 1.2- 0.9+ 051130 D83 0.1- 1.0+ 931218 385 1.4- 0.5- 051006 A79 0.7+ 0.9- 051203 349 0.6- 1.1+ 931218 360 0.5- 0.0 051006 A79 0.9+ 1.0- 051203 349 1.3+ 0.7+ 931218 385 1.9- 0.5- 051006 A79 1.9+ 0.6+ 051205 442 (2.1- 1.7+) 931218 360 1.4- 0.1+ 051006 A79 0.7- 0.2+ 051206 699 0.1+ 0.2+ 931218 887 1.0- 0.1- 051007 699 0.4- 0.7- 051206 699 0.2- 0.2+ 931221 658 0.6- 0.1+ 051007 699 1.2- 0.6- 051206 699 0.5+ 0.2+ 931221 658 0.3- 0.2- 051007 699 0.9- 0.1- 051206 699 0.9- 0.2- 931221 658 0.1- 0.3- 051007 G96 0.1- 0.0 051207 213 0.6+ 0.2- 931222 372 0.0 1.4+ 051007 699 0.5- 0.2- 051207 213 0.7+ 0.3- 931223 385 0.5- 0.5+ 051007 G96 0.6+ 0.1+ 051207 213 0.6+ 0.3- 931223 385 1.0- 0.2+ 051009 213 0.2- 0.1+ 051227 415 0.7+ 0.3- 1994/ 051009 213 0.0 0.2+ 051227 415 0.5+ 0.4- 940101 372 1.8- 1.7+ 051009 213 0.1+ 0.3+ 051227 415 0.4+ 0.3- 940104 372 0.8+ 0.5- 051009 213 0.0 0.3+ 2006/ 940104 897 0.8- 0.6- 051021 213 0.3+ 1.2+ 060103 349 0.2- 0.2+ 940104 372 0.5- 0.6- 051021 213 0.2+ 0.9+ 060103 349 0.7+ 0.7+ 940104 897 (2.1- 1.0+) 051021 213 0.4+ 0.7+ 060123 215 0.3+ 0.8- 940104 360 1.1+ 0.1- 051021 213 0.3+ 0.5+ 060901 215 0.5+ 0.3- 940104 897 0.7- 0.9- 051021 213 0.6+ 0.4+ 060912 A79 1.5+ 0.5- 940104 887 0.1+ 0.2- 051022 644 0.7+ 0.7- 060912 A79 1.4+ 0.9- 940104 360 1.3+ 0.2- 051022 644 0.8+ 0.8- 060912 A79 1.2+ 0.2- 940104 887 1.3- 1.4- 051022 644 1.0+ 0.7- 060926 A77 1.2- 0.4+ 940104 887 1.8- 0.1- 051024 A79 0.6- 0.7+ 060926 A77 1.9- 0.0 940105 372 0.1- 0.4+ 051024 A79 0.8- 0.8- 061020 A79 0.1- 0.7+ 940109 360 0.2+ 0.5+ 051024 A79 0.2- 0.1+ 061020 A79 0.1+ 1.2+ 940109 360 0.6+ 0.3+ 051026 215 0.0 0.9- 940110 372 0.3+ 0.5- 051027 704 1.6+ 0.5- ( ) -------- Rejected Obs.
Director, Computing Section Syuichi Nakano 2006 Oct. 29