OAA computing section circular NK 900 C/2001 U6 (LINEAR)

The following improved orbital elements, by S. Nakano, are from 97 observations 2001 Oct. 29 to 2002 Nov. 9. Perturbations by Mercury to Neptune and three minor planets, Ceres, Pallas and Vesta, were taken into account. The mean residual is +/- 0.64 arc second. Epoch = 2002 July 25.0 TT T = 2002 Aug. 8.70306 +/- 0.00463 (m.e.) TT Peri. = 85.72242 +/- 0.00069 Node = 115.23105 +/- 0.00008 (2000.0) Inc. = 107.25554 +/- 0.00006 q = 4.4063852 +/- 0.0000167 AU e = 0.9963530 +/- 0.0000146 1/a = +0.0008277 +/- 0.0000033 1/AU origin = +0.000986 (Q= 7) future = +0.001064 The following residuals in seconds of arc are from the above orbital elements: Date Code Residual(") Date Code Residual(") Date Code Residual(") 2001/ 011106 587 0.7- 0.2- 020215 367 0.2+ 0.3+ 011029 704 0.9+ 0.8+ 011106 587 0.4- 0.9- 020215 367 1.0+ 0.8+ 011029 704 0.2+ 0.3+ 011110 170 0.6- 0.1- 020215 367 0.2+ 0.1+ 011029 704 0.0 0.7+ 011110 170 1.1- 0.4+ 020912 360 0.1+ 0.5+ 011029 704 1.1+ 0.3- 011110 170 (0.2+ 2.9+) 020912 360 0.4- 0.0 011030 649 0.1+ 0.6+ 011111 704 0.1+ 0.5- 020913 215 0.1+ 0.7+ 011030 649 0.4+ 1.1+ 011111 704 0.6- 0.4- 020913 215 0.6- 0.3- 011030 649 0.8- 0.3- 011111 704 0.2- 0.3- 020913 215 0.5+ 0.5- 011031 557 0.5- 0.8- 011111 704 0.1- 0.5- 020930 204 0.7- 0.6- 011031 557 0.2- 0.6- 011111 704 0.5- 0.2- 020930 204 0.7- 0.9- 011031 557 0.4- 0.2- 011112 704 0.6- 0.5- 020930 204 0.2+ 0.1+ 011031 557 0.3+ 0.7+ 011112 704 0.2- 0.1+ 020930 204 (2.5- 0.2-) 011102 201 0.6- 1.7- 011112 704 0.9- 0.5- 020930 204 (2.2- 0.6-) 011102 201 (2.1+ 0.9-) 011112 704 0.5- 0.1- 020930 204 0.2+ 0.5- 011102 201 1.0+ 0.7- 011112 704 0.2- 0.5+ 020930 204 (2.5- 0.4-) 011102 201 (3.0- 0.4-) 011114 372 0.1- 1.7- 020930 204 (2.1- 0.2+) 011103 118 0.1+ 0.6+ 011114 402 0.0 0.2+ 021007 118 1.2+ 0.4+ 011103 118 0.3+ 1.6+ 011114 402 0.0 0.2+ 021007 118 0.1+ 0.0 011103 118 0.7- 0.2+ 011114 402 0.8- 0.4- 021007 118 0.5- 0.6- 011103 046 (4.2- 5.4-) 011122 372 0.3+ 0.9- 021011 360 0.0 0.3+ 011103 046 0.1- 0.4+ 011124 372 0.2+ 0.7- 021011 360 0.2+ 0.4- 011103 046 0.1+ 0.5- 011203 704 0.5+ 0.9+ 021013 213 1.0+ 0.1- 011103 046 0.2+ 0.7- 011203 704 0.1- 0.3+ 021013 213 0.3- 0.5+ 011106 118 0.8+ 0.6+ 011203 704 1.3+ 1.2+ 021013 213 0.7- 0.4- 011106 118 0.7- 0.9+ 011203 704 1.0+ 1.5+ 021018 118 0.0 0.3- 011106 118 0.2- 0.3+ 011203 704 1.6+ 1.1+ 021018 118 0.2+ 0.1+ 011106 557 0.4- 0.1- 2002/ 021019 118 0.8+ 0.2- 011106 557 0.3+ 0.2- 020129 461 1.4+ 0.8- 021019 118 0.7- 0.5- 011106 557 0.4- 0.2- 020129 461 0.9- 1.1- 021019 118 0.3- 0.1+ 011106 649 0.8- 0.9- 020129 461 1.2+ 0.1+ 021019 941 0.0 0.3+ 011106 649 0.4- 1.0- 020129 461 1.2- 0.0 021019 941 0.2- 0.7+ 011106 649 0.0 0.4- 020202 215 0.0 0.1+ 021019 941 0.4+ 1.0+ 011106 649 0.4+ 0.4- 020207 360 0.6- 0.0 021019 941 0.4+ 0.4+ 011106 649 1.9+ 1.2+ 020207 360 0.6- 0.1- 021109 785 (2.7- 0.7-) 011106 704 0.7+ 0.1- 020213 201 (1.7- 2.6+) 021109 785 0.0 0.2- 011106 704 0.2- 0.6+ 020213 201 0.2+ 0.4- 011106 704 1.1+ 1.1+ 020213 201 0.9+ 0.2+ ( ) -------- Rejected Obs.

Director, Computing Section Late edition Syuichi Nakano 2002 Nov. 18

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